The ones that you are calling "moaners" may have a legitimate gripe and would certainly do themselves a favor by finding another shindig. It would be no loss to them for leaving such an awful affair.

If only that were the case. When the bouncers are the main ones setting the example of constantly moaning about and judging the worth of the host's invited guest - that rather sets the moaning tone and some of the guest think it OK to follow it.....

But when everyone has been invited equally - everyone has a equal right to be there and enjoy themselves. If you find your fellow guests to be a pain - and the host is not seen to wish to throw them out - the only option open to you is to find another party.

A 'moaners only' affair.