You know, I'll take an unpopular position on this and argue that I think they've been better than expected on player feedback. A lot of the huge changes that have showed up in the past year were technical things like Island backups, Save Data Exchange, Dreaming, and the App Catalog. Especially island backups and Save Data Exchange, these were things we originally thought weren't going to make it to the game and were added later on. I can only imagine that this was a ton of work to put together.
Some might say that that stuff should have made it in at release, and I'd probably agree with that. But I still remember how worried I was in June about the possibility that my island might get corrupted and disappear forever. A LOT of people had those worries, and now that's a thing of the past.
I only hope that since some of these technical changes are behind them, they can focus on content like shops, minigames, and other things to keep people engaged with their Island for many more years. New Horizons really has potential to be a flagship game for the series that be kept alive for a very long time, sort of how Rockstar keeps GTA5 alive with updates and changes.