I don't think they can be trusted to be either secure or reliable or even supported. Any of them could be remotely disabled at any time as the parent company goes out of business. On the other hand, at the moment they're mostly in frivolous devices. As they become ubiquitous this is going to demand EU-level intervention, just like the existing WEEE directive against lockout chips on printer cartridges. Americans will…
Others would die when you upgrade your WiFi Router and the piece of shit doesn't support the new WPA standard. Or worse, it has some ancient 802.11b chip and when it connects it cripples the rest of the network.