maybe caveman want motor out of blender, and screw is hinderance to motor collection. Don't judge a mans cave by the lack of blenders. Judge it by the principles held within!
Regardless, security bits are a skill issue, and i will not stand for them. They make cars with traditional bolts and nuts, those are perfectly accessible to the average person, yet people killing themselves with their bad car repairs, is disconcertingly low. They're bad for repairability, they're bad for the environment, and most importantly, they waste time and money for no fucking reason.