It never ceases to amaze me the level of arrogance by those who tell others how to behave towards a subject which they have demonstrated they know nothing about.
No shit, Sherlock! Welcome to social media.
As for posters “hiding” behind keyboards. I think you’ll find that the majority of usernames are created for a bit of fun, ie reference to a former Iron hero, a play on where they live etc. etc.
Not sure why it should be viewed as something sinister?
But hey-ho! When conspiracy theories are the flavour of the month!