I don't think you're understanding what OP actually said. They didn't cite the Libya example as an example of bad behaviour; there wasn't any value statement on it at all. They were saying the fact that they intervened in Libya but not elsewhere was an example of the US intervening when it suits them.

I'm not an expert in US foreign policy so I'll refrain from entering the debate itself, I just think you're not arguing against what the OP is actually saying.