Neither Marijuana or magic mushrooms are capable of causing a person to become dependent on them.
Neither of these drugs are addictive.
Both of them are hallucinogens, and hallucinogens are not addictive substances.
No. Just makes them psychotics and possibly with deadly weapons.
“Marijuana use can lead to the development of problem use, known as a marijuana use disorder, which takes the form of addiction in severe cases. Recent data suggest that 30 percent of those who use marijuana may have some degree of marijuana use disorder.18 People who begin using marijuana before the age of 18 are four to seven times more likely to develop a marijuana use disorder than adults.19” (NIH)
Like nicotine. Some folks smoke one cigarette and are hooked for years and others smoke for years and are not addicted and can drop them without any withdrawal.
There is some controversy about this.
Some research indicates heavy marijuana use can lead to withdrawal symptoms when people stop taking the drug, which would be addiction.
Certainly not as addictive as nicotine, heroine, or methamphetamine.
To say nothing of the folly of the notion that government can take control of the supply.