The Oculus store says "Requires mobile device and Oculus app (free download)."
Amazon and Bestbuy stores say "set up with the smartphone app"
Luckily the phone thing is only needed for setup and for turning developer mode on and off. You don't need it for actual VR use. You can use someone else's phone to do the setup process, then log out of the app and uninstall it from their phone (so they can't mess with your account).
Although be warned that developer mode can be turned off when updates happen, you need the mobile app to turn it back on. Developer mode is needed to run things like SideQuest, which people use to play modded Beatsaber songs and stuff.
It's definitely annoying (especially considering the Quest 2 is an android device itself). But this is the way the Go, Quest 1 and Quest 2 work.
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X-Plane FixerHardware: Threadripper 1950x, MSI Gaming Trio 2080TI, Asrock X399 Taich
Headsets: Wrap 1200VR, DK1, DK2, CV1, Rift-S, GearVR, Go, Quest, Quest 2, Reverb G2