Absolutely not. I do not like who I am on drugs. I lie. I cheat. I justify. I make excuses. I let things go. I slack off my responsibities. I'd have quit if there was free government drugs available.
In fact, I might have gone through the cycle of addiction and the desire to quit much more quickly.
Recovering alcoholics are here to attest to you that legality of a substance and recovery from that substance are not mutually exclusive whatsoever.