not everybody plays games/has games in the household but don't a lot of people say "timmy get off the damn Nintendo" even when it's like playstation 15
yeah but there's like three different options (timmy get off the nintendo/playstation/xbox, maybe if they're more out of touch THE SEGA but even still that's just four)
there are so many keyboard manufacturers that no one is synonymous with keyboards
also even though sony and microsoft are known for a lot of things, playstation and xbox are the words that stick, and all of those are video games...whereas casio and yamaha and those are not known for just one thing so it would be like calling tvs "samsungs"