Unfortunately nothing changed. They wanted generics all along.

The Go ecosystem was a delicate, special thing. It was a wholesale rejection of the malignant consultancy takeover of programming that had festered and spread for the previous 15 years. Introducing generics was a grievous error, and they just keep making it worse.

It used to be you could look at any Go code from any author and pretty much instantly understand it completely. That’s no longer the case.

It used to be you would work on a problem, just writing the code from top to bottom. No time wasted fiddling with abstractions you’ll never use. You’d grumble about it, but succumbing to the temptation was impossible. That’s no longer the case.