I think there's some "grudging acceptance" from managers. "Oh, you're going on vacation on those days. Um... well, we'll still try to get stuff done without y

I think there's some "grudging acceptance" from managers. "Oh, you're going on vacation on those days. Um... well, we'll still try to get stuff done without you..." And so you feel guilty for going on vacation. Whether that is deliberate strategy may vary from manager to manager...