That's not strictly true, cracking could also allow alternative os loading.
So when the DRM servers are shut down, these devices will become just useless paperweights (if nobody manages to crack them).
"User goes to Walmart, buys console and game. Drives to cabin with no internet. Sets up console and plays game".
Clearly the original design goal didn't require an initial phone home. That may have changed.
Settlement was supposedly $65 but it looks like affected people got a whole $10 for their trouble: https://www.reddit.com/r/PS3/comments/9izcpm/has_anyone_rece...
There were some clusters made out of PS3s, presumably the operators kept these from updating, but they wouldn't be able to replace failed units with new ones anymore: https://arstechnica.com/gaming/2010/05/how-removing-ps3-linu...
So when the DRM servers are shut down, these devices will become just useless paperweights (if nobody manages to crack them).