Also, because the internet is so accessible, the ability to find likeminded people becomes so much easier.
And what happens, is 99% of people, will watch, read or listen to whatever that only reaffirms our own biases and personal opinions.
So, rather than making an informed decision, we live life pretending that what we think is correct, without the proper facts, or the other side of the argument, purely because we have a bunch of other people we selectively choose that agrees with us and creates the illusion of an "informed decision".