There are even more questions if all of those 1000 PhD students receive pay(not the money they receive to support their research, which is not the same thing) f

There are even more questions if all of those 1000 PhD students receive pay(not the money they receive to support their research, which is not the same thing) from UC. But I assume that is not the case, that ALL PhD students are employed by UC... or is it? And why only 54 of those students feel that they are special? I am confused and a bit curious, because that is not why I went to uni(not in US) and not how I had to deal with my studies. Also - can a foreign student apply for this free cheese and is UC diploma any good(also - outside UC, to have a real job)? And how UC is getting money? Any tax money involved(if that is the case, then why?) or only donations - from former students, who... work at UC?