Samsung's antics are hardly contained to smartphones & tablets either.
I wouldn't be surprised if the execs who sanctioned this behavior on Samsung's part don't even understand that it was wrong.
It's probably worth noting that Korea "chaebol" (conglomerates) can be a little odd. They have a lot of power over the local government and media, so they end up thinking they are invincible. They are sometimes said to be very shady, at times.
That's where it's different in Asia, where such behavior is business as usual.
(with their oncoming push into notebook computers, I expect similar fraudulent reviews in that area as well)