I'd defend the sale of anything which doesn't inherently infringe on the rights of others. A couple of the items on your list fit that category, others don't. T

I'd defend the sale of anything which doesn't inherently infringe on the rights of others. A couple of the items on your list fit that category, others don't. The issue here is what reasoning we use to prohibit a thing, and when those reasons extend to attempting to prevent harms we tend to have problems.