well won't be the last time I now see people who are being idiots and just go afk waiting to be kicked to avoid the penalty. So it does breed this kind of attitude so I for one agree with the OP. If someone wants to leave without a penalty most people will just cause these kinds of scenarios.

Go afk
Gear broken kick me
FU Noobs kick me or im just gonna go afk(Yes this is an actual example)
Sorry have to go for "insert reason here" but not actually leave the group

There is another side and its nasty we can already kick people for practically anything as SE feels its up to the community so they might as well just remove the penalty. Can't even report these people as SE doesn't want to know GM has told me they won't intervene with these matters even though its blatantly bad manners and detrimental to the game.