You also need to realize that if these players bot its only for when they sleep to be competetive. Most top D3 players end up playing for almost 18 hours a day, that's just ridiculous and people can't keep up with that, so a lot turn to botting.
Just a quick refresher on the forum rules, discussing botting in a context like this is fine (i think), however if people start listing specifics you may receive an infraction.