People aren't products, by definition. Period. End of story. Trying to pretend libertarians support slavery is slanderous and offensive, so cut it the fuck out!
This thread has been derailed long enough by a semantics argument over the definition of a free market. There is literally no one here who supports slavery. Let's stop beating a dead (straw) horse. There are more interesting discussions to be had.
Okay, so that example derailed it, but the point of there is no free markets, just choosing which restrictions we want, remains.
If the slavery one is bogus to you, fair enough, but are you okay with every other example? Are you okay with nuclear bombs being sold to anyone, for example, because it's a completely free market?
What about someone who prefers you don't interfere in their economic activity of hiring a hit man.
You're going to claim all of these, and more, are straw men, but that's just a no true scotsman problem: whatever market activity we come up with that you don't like, you'll claim it's egregious and a straw man, and it wouldn't be allowed even in a true free market.
If you're okay with it (selling drugs, for example), you'll say it's fine (while others might say it was a straw man), but if you aren't, you'll claim of course it should be regulated, but it's still a free market.
A free market is allowing everything. Not you picking and choosing and calling it still free.
The point is, there is no one who wants a truly free market, it's just where we each draw the line.