You nailed it, except “huge generalization” is actually being generous. It’s simply wrong. The author is speaking esoteric gobbledigook:

The upgrade death spiral (…) happens because upgrading one component of your computer can unbalance the system.

It’s the sort of argument a husband might give his not tech savvy wife when she asks why he repeatedly needs to spend so much $$$ on something only he uses.

I think FOMO says it pretty well, or simply consumerism.

Now that hardware is getting more expensive again, this is really sending the wrong message.

And OP keeps doubling & tripling down despite basically every comment disagreeing. I think they wrote that article.