I'm less sympathetic to queer theory. I've always had the vague impression that it boils down to not wanting to think of oneself as an oddball, and preferring to see everyone else that way.
I just looked it up on Wikipedia, which gave this description:
Queer theory is a field of post-structuralist critical theory that emerged in the early 1990s out of the fields of queer studies and women's studies. Queer theory includes both queer readings of texts and the theorisation of 'queerness' itself....Queer theory builds both upon feminist challenges to the idea that gender is part of the essential self and upon gay/lesbian studies' close examination of the socially constructed nature of sexual acts and identities. Whereas gay/lesbian studies focused its inquiries into natural and unnatural behaviour with respect to homosexual behaviour, queer theory expands its focus to encompass any kind of sexual activity or identity that falls into normative and deviant categories.
In other words, it's all about justification and obfuscation.
The whole field can be summed up by that old joke about the mother who watches the parade go by and then says, hmm, every single person in that marching band is out of step except my son.