It started with the lack of ability to have an open guest wifi... Like - it's for my guests, I want anyone to be able to connect, and I don't want to be faffing with passwords or guests having to ask me... I have to name my network "My House - Password Is password"
Then every month it seemed to do some kind of update and disconnect wifi devices... Sure - it's only for 30 seconds, but a disconnection is a disconnection. Thats going to boot you off whatever game you are playing...
And now I've got the trouble that as you have a bunch of mesh points, you can't walk between them without glitches in a video call... Like seriously - I should be able to start facetime and walk round my house without random freezes for 5 seconds while it reconnects to a different mesh point.
Google Wifi has been out for years now, and not a single one of these bugs is any better than it was at launch. Not really acceptable for a $400 router setup!