That's a stretch.
Obama was what he promised. If the noble committee were being honest, they'd admit the noble peace prize was awarded solely based on a black man being voted president and nothing based on policy or actions. In the history of the US and Western world in general it was a pretty significant event regardless of what you thought of the bloke's policies or politics. That was all that award was about. There was no "con".
Obama is a centrist career politician. He's a process guy. Pragmatic. You can debate the merits of that but it's ridiculous to suggest he was disingenuous or running a con. No different to someone like Romney on the other side of the spectrum. Sure they don't always tell you what they are thinking but that's considered decision making. No different to CEO's, football coaches or anyone in a position where they can't be 100% honest. Sure they can often disappear up their own arse talking in circles but how often that occurs is a reflection of their suitability for the job.
There's no doubt Obama fell short of expectations in terms of his ability to navigate the opposition in Washington but Trump is struggling more with majorities in both houses. Trump's Congressional successes have really been the success of the Obama opposition in Congress. The Supreme Court seat being a classic example. Staunch Republican opposition kept that seat open. This is a pretty conservative Congress.
Trump on the other hand is a straight up con-man. His entire career has been built on profiting from self-promotion. A con. He's brilliant at it. The problem is that is the very definition of the sort of person you never want in power. His presidency is exactly in line with his mindset when he was flogging steaks, dodgy property deals and phony university degrees. Some people are stupid enough to buy anything if it's attached to enough fame.
No doubt there are plenty of flaws with career, process politicians. But they pale into insignificance to the damage & distraction to any real progress posed by someone with Trump's mindset. He's selling something that he has absolutely no plan on how to deliver. No idea, no intent, like his university "degrees", the very definition of a con.
Obama never closed Gitmo, Obama never ended wars but expanded US calumny and abetted in the destruction of entire countries Libya, Syria. Under Obama's leadership we saw the global refugee crisis engulf the world. Under Obama the USA funded a nazi Ukraine revolution. Obama began the insane policy of fracturing relations with Russia. Ensuring the Russia and China will co-operate against the West - thereby increasing the inevitable decline of the USA empire whilst making nuclear war much more likely. Under Obama the number whistleblowers prosecuted surpassed all records. The exit of Snowden and the confinement of Assange occurred under Obama.
Bush's policies created the GFC but Obama oversaw the remedy by implementing the largest theft in history taking from the poor and middle classes to enrich and reward fraud. Under Obama central banks were instructed to experiment printing and creating unlimited sums of money to sustain a zombie financial system
the consequences of which are now irreversible.
Under Obama a mob known as ISIS became a nation and Al qeida became a Friend.
Obama's persuasiveness put the whole world to sleep whilst the worst human instincts ruled. That is a con man.
Trump on the our hand has shed light where there was darkness. There is acrimony but there is discussion, questioning, contention. Yep its messy. Life is messy. Policy options are being debated - where the public slept thru 8 years of Obama - they have woken up and with each passing month they are seeing that the flaws Trump possesses are dwarfed by the flaws thru out the entire american political scene.
Whether any good comes of it - is not dependent on Trump. Trump has shaken up Washington. Washington and the US public are finally getting around to some seriously neglected self reflection. The anger and hysteria is caused by millions of people - after a long sleep - finally looking around and seeing all that is wrong.
Blaming that all on Trump is merely a projection a childlike wish to be told a bed time story by Obama.