My take on this is no they don’t. As long as they are truthful they only report on the quality of the product and prevent many people of spending a lot of money from losing it by buying something that doesn’t work.
If your product is shit your company does not deserve to be shielded from the backlash, this is the core of (classic) capitalism after all.
Just watched the whole video (and the car one afterwards). I think if MKBHD is being disingenuous, as one of the most influential reviewers, he would’ve been the first to be called out (based on the facts he’d got wrong in the video instead of conspiracies.) that didn’t happen so I’d say it’s safe to assume the problem stems from the product itself, at least in these cases. Anyway, great watch.