I believe emoji buttons are there to be used as per users discretion. Use them as you like. Personally, I wish there was better choice for some posts.I just do what you did to Mr Bods. , If that call trolling then you troll him .
Spreading false information about other users is another story. Just show me my post where I laughed at Freo and GWS. Not sure what Mr Bods has to do anything with it.