IMO that's more an issue with (customer) WiFi, than the device itself. WiFi is the very last place where people living together have to share one common secret

IMO that's more an issue with (customer) WiFi, than the device itself. WiFi is the very last place where people living together have to share one common secret for their security, and that's pretty ridiculous. At least with WPA3 we get perfect forward secrecy even with shared password...