For me Alexa controls a smart plug, which turns on the firestick4k, Firestick can in turn switch on and off my non smart tv via CEC. Play pause etc work flawlessly on the fire tv with alexa. I wonder if without an ir controller, if todays tv sets can be directly switched on or off by alexa as that'd mean aomething is always on. Started using the 16amp switch for geyser too these days.