There is also a continuum in criticism between writing a relatively tame op-ed complaining that a company supports ICE and, like, burning down their headquarters.
And it's not like anyone is asking Amazon to scan S3 bucket registrations to try to reject any from the US government; we're talking about high level, mega-million dollar sales efforts, products specifically targeted for the government surveillance audience, and company participation in training. So it is very feasible for Amazon to make a choice to do or not do this stuff without a lot of monitoring overhead.
I feel embarrassed articulating the above because it is so obvious, which makes me wonder if the parent comment is really in good faith to begin with.