> The only thing preventing me from switching to a Pixel, which I've heard takes a staunchly anti-crapware stance, is the lack of a headphone jack.

There is less crapware, but still a fair bit of google/play crapware/spyware you may not want and can't delete. Stuff like google now, google news, google docs, hangouts, google photos, play books/music/games. At least that's the case with other stock android phones.