"they're also being unnecessarily harsh and acerbic in places" That's just Garry Newman's writing style. He is harsh and acerbic about everything. I don't see

"they're also being unnecessarily harsh and acerbic in places" That's just Garry Newman's writing style. He is harsh and acerbic about everything. I don't see the constant changes as much of a problem, because if you have any sense, once you start a project you are locked in to the engine version you started on unless you want to cause yourself headaches. The same applies to Unreal.