There is a lot of reason to say that people who don't understand are meaningless. Even a lot of people say such silly words: understand, but still live a bad life. It's self-deprecating, but it's also in a way that you don't understand.
As market analysis, clearly know most people and most analysis are bullshit, but it happened that a lot of people to follow, some of them are really stupid, some is he who knows nothing but pretends to know, and some is god knows why.