I have a couple devices/services where I haven't been able to find good local only or where I find utility in the cloud connectedness, but that's very much the exception than the rule.
I'm starting with my Garage Door opener: I built one myself and connected it to Home Assistant which is connected to Google. Now I can open the door using Google Assistant, something I can't do with Wyze. I also don't have to open up their stupid app and wait for it to establish a video connection before I can tell it to open up the door.
Wyze is cheap and easy, but it's also hot garbage.
Philips hue has very rarely caused me troubles except the adhesive on their cabinet lights was garbage.
that doesn't work if you've ceded that control to apple, because they are not local
You don't have '100% control' over things like code because they're embedded, certified devices, generally.
My coffee maker has had automation built in for years, it makes a ton of sense for it to automatically make coffee in the morning yet even for free I have never used it even once.
The light switch? Give me a break.