Morj has only been right on obvious things and the morons on Reddit praise him for it. It was obvious Zoro would get conquerors, etc... The thing is there are many one piece fans who get a lot more right than him, they just don't have a platform, and there are many more one piece fans who know more about one piece than him. Morons on Reddit think it's impossible for Prime Rayleigh and Big Mom to be comparable, they think Katakuri would take Kizaru to a high diff.
In fact the casual fan base revere him because he does thematic analysis videos, which can be done by any capable English student in high school.