I don't see the problem either. People are touchy about names. I don't have a problem with calling it sour kush but you do, so I would imagine you would understand why others don't want it called headband better than anyone here.
I think all the names are silly anyways. Like there is someone keeping track of every time two (or more) genetics are crossed, and they are keeping track of every clone that everyone growing a certain strain cuts. That's not the REAL purple kush. Only 5 people on earth have the real purple kush. And Headband is the funniest, that's not 707 headband, that's just headband. Oh there is no headband if it's not 707 headband. You should call it sour kush, but no, chitown has the only sour kush. You should call it Sour OG, but then again, that's not the Real OG kush you used in the breeding, so you shouldn't call it that either. Only og #18 counts and onty 2 people on earth have that, and they are both dead, and the seeds are burried in a government basement along with the original g13. Yeah, the one and only g13 that only 13 people have ever smoked. Only 3 living to tell about it, and those people are US presidents.
I just grow weed. Some of it looks different than others.
EDIT: I'm not saying there is nothing to breeding or that any idiot can make a great strain. Just saying the naming, and subsequent posturing over naming, is ridiculous.