But they did advocate to have marijuana be a legal controlled drug.
Because the controls were necessary to overcome the opposition of rabid pot criminalizers - so blame them.
It would seem that History has shown us that the users are more rabid than the opponents. Here's an example.
Michael D. Harris, reporting for UPI, wrote that years later his father would maintain that Richard was a "good boy" whose marijuana consumption "put him out of control," but it would be hard to pinpoint exactly what influences sent Richard Ramirez in the direction of devil worship
He is but one of MANY EXAMPLES of how this was not so far fetched.