As a US distributor of high-end brands, I've personally dealt with MD, MF, JV.
I recall a wise old saying..."If you can't say something positive about someone, don't say anything".
I will say there are MANY YouTube reviewers that are quite insightful & honest and certainly worthy of consideration.
Re: dishonesty, it's both quite disappointing but also good to have truth exposed as we are seeing in so much our society.