SumatraPDF is what you want as a windows user (yes, ignore the website looks like it's from the 90s). No upsells like acrobat/foxit, better compatibility than pdf.js like your browser.
Linux I mostly use evince (included if you use a Gnome based distro), but it's clearly the weakest of Preview/SumatraPDF/evince, as someone who uses all 3 regularly. Still better than Acrobat Reader though.
I was never one to be bothered by it personally, just responding to reactions others have had when I pointed to it previously (in particular I've often defended HN and Old Reddit design vs newer trends).
That said, I think the updates will reduce the number of people that react that way.
Linux I mostly use evince (included if you use a Gnome based distro), but it's clearly the weakest of Preview/SumatraPDF/evince, as someone who uses all 3 regularly. Still better than Acrobat Reader though.