Unfortunately they're also participating in the "Let's sue all municipal ISPs into the ground" strategy, which might preclude the ability to have other options.
Let's see them try to sue space! Hopefully Starlink will be successful.
All of the satellite systems have a limited density of receivers, making them unable to have very many urban accounts: Oneweb, Starlink, O3b, etc.
Loyalty isn't required, Comcast have an ironclad monopoly in areas they operate.