they need an experience that sells the actual upsides of game streaming in the same way that mario 64 sold 3d movement and the analog stick.
'here's popular game except worse' will never be a winnable pitch. even casual users who don't know what latency means will instinctively recognize that all the games just feel kind of shitty to play. you need a tailor made experience where latency is a much more negligible factor.