The fact that the ‘joke’ didn’t land matters less than the perception it gave, IMO.
But since that seems to be what is drawing your focus currently, here’s how I would have posted it without throwing shade:
“Hey we just met you,
Can’t call you “crazy”
But take a chill pill
And learn something, maybe!”
Not gonna win a grammy anytime soon, but see how I still avoided dissing anyone?
Bless your little heart.
You must be from southern Germany.
Please, let’s not derail topics with posts about moderation (if they’re not already about moderation.) We have this nifty thread for talking about that stuff. 
The post was an attack on some of the community members here. I am guessing it was some already banned loser trying to still get in an insult, as if anyone should care what they think. 
That screenshot brings up something I’ve been thinking.
Should that “welcome them” banner be visible on a flagged post?
Well, sometimes the appropriate way to welcome a new user is with flags?
Life imitates art.
