Tell these cogs what they want to hear so you can move things along. Believe me, they are pathetic nobodies in the big picture.
I hate that these ego-starved "professionals" are dragging you down, and making you feel unsure of yourself.
Trust your own better judgment and remind yourself that you know you and they don't! Get a good raincoat and let everything they say roll off of you. Feed yourself a daily dose of positive affirmations (no matter how corny) to counteract their barbs.
You sound like a sensible and centered person. Don't let others make you feel less about yourself or your goals. And keep coming here. Vent, vent, vent.