I did my whole house in Lutron’s smart switches (close to 50 of them), and I think it’s good? It’s been about 2 years now and I really haven’t had any issues. The switches aren’t Wi-Fi connected, because Wi-Fi would be an awful choice for 50 devices that you only communicate with a few times a day. They use their own wireless frequency and communicate in a really simple/reliable way to the bridge, which is wired to m…
With Lutron, beyond the things you mentioned, two more of my unexpectedly favorite features have been:
1) being able to add additional wall switches anywhere and program them to control any set of lights, without any extra electrical wiring (for 3-way or 4-way switches, or controlling multiple lighting circuits with one switch)
2) range-based programming (e.g. automatically turning on lights for rooms from the garage to kitchen when you're arriving home)
Other devices like smart locks, smart garage doors, water leak alarm sensors, and AV equipment have all been useful and generally worked well for me. Some of them have been slightly fussy, but not as a general rule and certainly not to an "unbearable" extent. Overall, they really do make things significantly better, at a surprisingly low cost compared to the rest of home construction.