I'm 45, each time this kind of voting scares me, I'm indeed too old for this IT thing, but what else can I do? what are those 40s/50s doing? all managers/bosses

I'm 45, each time this kind of voting scares me, I'm indeed too old for this IT thing, but what else can I do? what are those 40s/50s doing? all managers/bosses? or out of work? I'm curious.