I think that's where the confusion lies. You agree that there should be some back-and-forth and discussion to determine what is appropriate and to try to make what might seem at first blush to be inappropriate. When it's determined that something just can't be made to fit after this work, that's not really a veto (which is understood in common parlance to be a little more unilateral).
EDIT: To use Hussar's lexicon, a player who won't engage the DM and be willing to compromise would be labeled an "asshat", and should "be pelted with dice". The question is whether a DM can be similarly labeled and assaulted for refusing to engage the player and compromise, or at least try to help the player figure out a way to make a character work for everyone.
Bingo. This is precisely the argument I'm making.
RC said:
The problem that arises is the idea that the DM choosing not to run a particular game is considered an "attempt to destroy the game for others, or an attempt to force them to play as he likes." So far, correct?
Because, if it is correct, that offers a premise that can be rationally examined.
No. That is not the premise. You are offering additional elements. "The DM choosing not to run a particular game" is not what I'm discussing. I'm discussing,
Does the DM have the right to enforce his personal preferences over the preferences of a player or players, regardless of reason?
I don't think so. I think there are numerous perfectly legitimate reasons for saying no, but, "I don't like it" is not one of them.
Spatula said:
Half-orcs, like a lot of early D&D bits, originated with Tolkien. Where are fire-breathing humanoid reptiles that are fully integrated into human society from?
(I say this with no particular animus towards Dragonborn)
True. But, appearing in Lord of the Rings does not make you mythological.
Are you saying a race descended from dragons, an ancient empire fallen into ashes, has no mythological resonances?
Again, just to reiterate. My only, single issue, is when the DM has decided that his preferences trump the players, when no other issue is on the table. When it simply comes down to "I like it" vs "I don't like it", I think "I like it" should win, regardless of which side of the screen people sit on.
RC - In the discussion about warforged ninja, I came up with a perfectly reasonable backstory that fit into the setting - the warforged was actually a construct designed to pilot a damaged ship that wandered for years before foundering. Over the years of wandering it gained a small sense of sentience and becomes the PC. ((The story I wrote in that thread was longer

)) How is that breaking POTC genre?
Wally - When a DM has decided that his preferences trump the players, how is that not declaring "my imagination is better than yours"? When the DM has unilaterally, without any recourse, decided that no matter what, something that he personally cannot or will not envisage or imagine will exist in his campaign, he has expressly declared that his imagination trumps all. That's the same as declaring "My imagination is better than yours" IMO.
Mallus said:
I probably should have been clearer up front about this: my advice to players would be work with the DM and accept when they no. My advice to DM's --which is what I've tried to offer in this thread-- however, is not to say no.
Quoted for troothiness. This is precisely what I'm trying to say.