I bet your friends love you for this. I know I love it when some busybody prick sticks his nose into my **** and then tells me what a bad person I am for not handling it the way that he would...
Sheesh...MYOB, dude. Your "friends" are playing by the rules set forth by AMCAS et al.
This application process is already quite stressful, for applicants, for schools and their staff. Anything to make it a bit easier for everyone involved would be great. AMCAS guidelines does advice students to decline offers to schools as soon as they know they are not attending. Doing so will reduce administrative headache for schools and may "possibly" mean that another student get that spot, saving them from more months of anxiety. You personally should know how nerve-wracking waiting to hear from schools is. I never said that they were bad people for holding multiple acceptances. Maybe saying that it is "unethical" is too harsh. I am just asking them to be a bit more considerate about how difficult this whole process is.
it doesn't work like that. schools know people will withdraw and plan for that, so it's not a one-in-one-out situation.
I know that it does not work like that. Obviously most schools over-accept. Most waitlists do not move until May 15, but early withdrawals reduce administrative headaches for schools.