Likely because it is tedious (think watching paint dry) and expensive. And except if you take a shotgun approach to the service/goods classes you register in, y

Likely because it is tedious (think watching paint dry) and expensive. And except if you take a shotgun approach to the service/goods classes you register in, you are still going to have exposure (in the US you need to provide proof of use down the road so its a non.starter there).