I met someone like that yesterday while merely trying to trouble a package that wouldnt compile on windows. Found the devs and they go on a tirade about windows (and also turns out it wasnt compatible and WSL2 would have too much of a performance hit) but the project didnt say so
GNU stands for "GNU is Not UNIX", which means that I both hate and despise it. The command line is all I use. I work with Git every day and use it heavily.