Idk, I think his tech knowledge is fine. He knows far more about cameras than I ever will (largely because I don't care), and I honestly haven't seen anything where he's lacking on the tech knowledge front. His reviews, when critical, are usually quite comprehensive. For his audience and the products he reviews, he's plenty tech savvy and probably more tech savvy than most of his audience. He just doesn't put that on display unless it's relevant to the video.
His channel is all about "hey, check out this cool tech gadget," and not "let's deep dive into this particular tech niche." Do you want to know how a given EV is to drive? MKBHD got you. Are you trying to decide between EVs? Comparing MKBHD's videos may help narrow it down, but probably isn't sufficient. Do you want a teardown of an EV to repair something? Look elsewhere.
I occasionally watch his videos, but not enough to sub. I like his presentation style and his critical videos are generally pretty insightful.