It's a fair question. Far too often queer folks are indeed under attack--be it blatant or more subversive. I think the term 'ally' comes from the notion of support in communal defense against those attacks. I'd love for you to be my ally in defending my [fill in the blank: mere existence, body from violence or rape, marriage, preferred use of pronouns, ability to work without legally being fired, etc. etc. etc.]. I don't love the us v. them dichotomy either, but sometimes I personally think we need more than level 5 support--we need allies. Love the question!