I'm not saying sticky keys itself is stupid, just the idea that it is enabled by default. Your little first world problems snipe applies to literally everything that could be posted here.
Most of the questions on AA don't involve elementary stuff which every gamer faced at some point, solved in 3-5 minutes and moved on with their life. Of course it's your god-given right to create an expletive-laden thread about it, but please don't be surprised that someone might find it funny.
So, which dense engineer with no relationship to the world decided one day to link that key with that feature, and activating it by default? Why not choosing a never used key like the Pause/break key or well, one of the FUNCTIONS keys?
I don't know, but maybe because gamers do not constitute 100% of PC userbase and there are other people who actually use function keys etc, and above all because it's not at all a real problem?
But by all means, let's spend next 2 pages dissecting this fascinating and profound conundrum