In my opinion there is no such thing as "conditional gifting." By definition, a gift is something given freely with no expectation of any sort of compensation. One cannot ask for a gift. When you ask for something, it becomes a favor. Asking strangers for $400 is in poor taste, no matter what the situation, and to feel that you are deserving of that is ludicrous. So is getting angry when the favor is denied, as one particular poster did a few days ago.
Ultimately, if I were to have a ticket to gift (which I definitely don't; I could barely afford my own ticket), any person engaging in the sort of behavior I've described above is not someone I'd prioritize in my decision on who to gift the ticket to. That person may indeed be generally very kind and benefit greatly from the ticket, but the fact that they have asked me for it despite the fact that I haven't offered them one (and, to boot, we don't have a personal relationship), means that they are very unlikely to get a free ticket from me. I'll admit that a huge factor in my decision to put them low on my list is that i find that sort of behavior presumptuous, in poor judgement, and, depending on my mood, mock-worthy. But it doesn't mean that I've come to the conclusion that they're a bad person and generally aren't worthy of a gifted ticket. It's their behavior that I disapprove of.
By the way, I do give panhandlers money from time to time, though I mostly prefer to give them food so that I know for sure that I'm not enabling possible substance abuse. But a huge difference is that the person is not asking me for $400, or even a specific amount in most cases. Also, food is a necessity. A Burning Man ticket, not so much.