Because people who skip bus fare are usually not involved in large organized crime units. Also, skipping bus fair is not addictive (in the medical sense of the word).
"Also enforce proper adherence to schedules under the same technique. The buses, trains and planes will finally run on time, can you imagine that?"
See criticism above.
Answer me this, before the conversation goes further: what is bad about using drugs, beyond their being illegal, and beyond problems started due to illegality?
I guess it's highly likely that I have owned (or even still own) at least one product that was manufactured in a sweatshop. I think it's equally likely that the same applies to you.
So welcome to the club, we are both supporters of child labor. What now, suicide?
Many illegal drugs are not addictive, or significantly less addictive than nicotine or alcohol. While some drugs are highly addictive, the laws are simply not based upon addictive potential. Even some of the most highly propagandized super-scary-drugs (LSD, Mescaline, MDMA) are not physiologically addictive.
Neither of these arguments are cogent.