Yes, auto-updates are built into snap. Also, the "solutions" to disable it are pretty much workarounds [1]. All this looks like just what made me stop using windows 10.
[1]: https://askubuntu.com/questions/930593/how-to-disable-autore...
[1]: https://askubuntu.com/questions/930593/how-to-disable-autore...
Can I bypass snap entirely without major issues? I like Ubuntu, but indeed, I left Windows 10 officially due to auto-updates.