I’m no cannabis fan myself, but the above study you posted is heaviest use and includes schizophrenia, which a man in his 40s is not going to spontaneously develop (even with heavy use).

But of course using cannabis that promotes delusions with something that actively facilitates delusions is a bad combo

I am yet to meet a cannabis user that experienced psychosis. Very much all cannabis studies, especially published on .gov are biased and deeply flawed. Typically starting with a conclusion and then working backwards fitting the data without care whether it makes sense, as long as there is catchy headline confirming "Cannabis bad."

I'd say most first businesses fail the first time, the second time, the third time. Blaming personal failure on chat bot or drugs is very convenient and a way to "save face".