Because they definitely are aligned, or have easily-reached outputs which are functionally equivalent to being aligned, with the wellbeing crowd.
I’m not sure what you meant by this sentence. Do you mean they definitely should be aligned with the well-being crowd in some self-interested sense, or do you mean that they definitely empirically act as if they’re aligned with the well-being crowd, or...?
Extending the rights associated with personhood does not typically extend the right to make war. Do you mean that in practice, you think extending personhood rights to AI would cause them to have the in-practice ability to wage war and win (whether we considered it their right or not)? For a highly capable AI, I’d think it would not make a difference one way or the other. For Or perhaps you think that extending rights to AI would necessarily mean denying humans the right to (attempt to) align AI? I don’t think this clearly follows either.