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.
With enshittification, you aren't just coasting on historic brand reputation. You actually have users locked into your product with pervasive network effects.
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.
What I'm talking about is buying concrete objects at discrete moments in time.
Similar, but not the same.