TheLastRefuge tweets his theory:
Iran said it was “technical issues” way too soon for it to have been “technical issues”. The more likely explanation was accidental anti-aircraft defenses not deactivated in an area where Iran has some sensitive infrastructure coincidental 2 the flight-path. A tragic mistake.
Doesnt the fact that it’s a Ukrainian airline as well, ring some bells. It’s just to random to be any coincidence at all.