high production value and simple, clean delivery is probably what got him to be popular. he's not unique or anything special in his delivery, but he is good in front of a camera.
he's been around a while now, so he's basically just remained popular due to his ability to get his hands on the latest gadgets early and again, consistently high quality production. I actually agree that his reviews aren't anything special.
Lmfaooooo weird hill to die on. Mkbhd has like top 3 production of any of those types of videos. He's not a faggot like that unbox therapy guy who is basically the phone version of that donut media loser. He seems like he would be a nice dude in person and he knows what he's talking about.