Well I can talk from experience, was in the drugs in the 60/70s
Yes when you are on the drugs, you loose any real claim to reality and you are subject to opinons that are normally not based on any logic at all.
I have seen in older years stoners who write school reports, they are to laugh at, and the kids believed they did great jobs.
You will not accept the truths because you can't understand, until you finally hit rock bottom, you will not want help. So until you want help you can't be helped