Don't you find the apologists annoying? They don't argue for technology to address the inconsistency and incompetence. Rather, their answer is to remove the strike box from telecasts so we don't "show up" the umps all the time. As in, if it wasn't proven to us many umps were incompetent, we wouldn't actually know it.
I get umping is hard. Thats really got nothing to do with it. Horses and buggies used to be highly effective locomotion at one point....we replaced them.