Does Michael Phelps effectively debunk all anti-marijuana propaganda?

[I spent the winter writing songs about getting better]

Like remember how we hear about pot is really bad and devastating and it can mess you up and you just become a completely unproductive constantly stoned waste if you use it...well yeah. Here's all the proof we need it's harmless.

[I spent the winter writing songs about getting better]

I see your Michael Phelps example and raise you a...you.

I haven't gotten high all year.

...and I work full time at a job where I've recently been entrusted with training, and have never had any trouble paying my bills and have never been solicited by a collection agency so I'm not quite some stereotypical burnout either. Now let's compare this to a certain individual from Oklahoma who has never used weed and supposedly has had only one sip of alcohol...

[I spent the winter writing songs about getting better]

I'd like to point out now that Usain Bolt is a Jamaican. So uh...