I think its really interesting. I did not associate any of the words gruber did with Queen. I think if you don't have those negative associations, then the usage does not appear sexist.

I can understand why people might think that its sexist, I can also understand how it can be used in a manner that the writer did not intend to be sexist.

I struggle with this. Most of the time its hard enough to convey the message you want, without then having to second-guess every word you use to see if someone somewhere might consider it offensive in some way