No. Some $x do $y does not imply that all/most/many/true $x do $y. It implies that some $x do $y.
Well, yes, but no. Hacker Community projects increasingly force political agendas on participants. It gets harder and harder to just do tech stuff without having to align with some cabal.
Right. But "in the end" people who participate in "permacomputing" per the websites stated values represent a subset of nerds. I think the rebuttal we're commenting on oversimplifies this.