I'm not sure I'd totally agree with this characterization. They've certainly been behind in tech that's like "stuff the most FPS and fanciest graphics into this small box as possible", but I'd argue they've been pretty much the only one playing in the "make a good experience for most users without configuration with relatively cheap local hardware" up until relatively recently (SteamOS certainly has made some inroads, but I've yet to see anything particularly impressive in terms of an Xbox handheld, and Sony has basically given up it since the Vita). I don't think either of these broad technical areas are particularly aligned with making cloud streaming viable for gaming, but if I had to pick one side, I'm not sure I'd pick the side that's invested way more into expensive hardware on the local side rather than figuring out how to make the constraints of lower power go further.