Being on vacation is fine. I dont think anyone has a problem with that. It is using auto vacation to keep you from timing out on games that you do not want to play, even though you are on site, that upsets people.

I think if you are on site then auto vacation should not be activated for you that day. You should have to set a vacation day if you want to. Since those will be used up even if you decide to play and have nothing that is to time out on you.