Given the alternative explanation is "Isreal decide to risk a bunch of ridiculously expensive military hardware and equally expensive fighter pilots for no good reason and just wanted to kill some people".....yeah, the most plausible explanation is that Isreal had a fairly legit reason for attacking.
This was targeted at Bashir "gas the civilians and barrel bomb the survivors" Assad or forces loyal to him, are you under the impression that attacking him is immoral?
1.They are democracy.Apartaid,but still.They could do so for winning election.
2.Anybody else,except Kurds,is as bad or worst.