I'm trying to understand the mentality that goes with having the server decide who pays the check. More specifically, more than one member of the party slips credit cards to the server. How are they to decide? It would seem that first come, first serve would be a good way to go except many people i.e. the "birthday" person, can be the first person to slip the card.
It can get hostile amongst guests. To be quite frank, I believe it is completely inappropriate to ask a server to get involved and less appropriate to say "I'm a better tipper!"