Earlier quoted context omitted.
No, enshittification is a different economic thing where a continuing service provides less and less for more and more (either attention or money) over time. What I'm talking about is buying concrete objects at discrete moments in time. Similar, but not the same.
I think it is the same: build reputation and trust in your brand, and then abuse that trust by making more and more consumer-screwing decisions.
People don't still use Facebook because of any lingering nostalgia from its halcyon glory days. They use it because that's where their friends are and they can't get away. That's what enshittification is about.
There's no lock-in making boomers buy Harleys. It's just brand nostalgia despite the fact that the bikes suck now.