Still technically legal, bad faith business dealings? For better or worse (worse imo) this is just how businesses currently operate by default.

It's "just business" when you're perpetrating it, and the sky is falling when it happens to you. For a handful of reasons, the powerful (read: monied) are spared the brunt of the ugly end. Comcast is a regional monopoly that sells service to a lot of poor people. Welcome to the retention department.