If it's wrong to smoke pot, it is also wrong to take aspirin.
The two things are ethically identical. Although aspirin is probably more dangerous to your health, and easier to overdose on.
If it is wrong to smoke pot, it is also wrong to drink coffee.
If it is wrong to use one substance to relieve stress, alleviate pain, relax, or feel pleasure, it is wrong to do the same using any other substance or technique. The substance or technique is irrelevant.
Making up (or supporting) "laws" in denial of this fact is wrong. Supporting those who enforce those "laws" is heinous.
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