Usually not on purpose. Most I run across is from a web search. However, there is this guy on FB that shows up as a sponsored post. Most of the time I try to scroll past, sometimes I have to reply. He promotes religous and political propaganda. I post on there from time to time. Some like it. Others (most) call me names. I point out facts! With links! Not really anyone pays attention. What's even worse is he recycles the same propaganda multiple times! I point out that he has posted the same article 3+ times. Come on! At least come up with new propaganda! Be original!
But I would not call that heckling.
I like to take a look sometimes so I can be prepared in case there is some new ridiculous argument or trend that might affect me.