Earlier quoted context omitted.
It's a curious thing--from observation, I note that poly (along with a lot of other non-normal personality traits) tends to be notably prevalent in the tech and academic sectors. It is an open question whether this is because there's simply more visibility, or something else. There's also a decent amount of it in the kink sub-communities. I have a hunch that it may be a byproduct of the ongoing evolution of the datin…
I'd say that belonging to the polyamourous community is more likely to limit you in the "dating marketplace" than giving you more options. You're essentially excluding the vast majority of the population, which is very much not OK with it.
And yes, the vocabulary here is somewhat on purpose. I think it's easy to argue that, if you're willing to treat the whole thing as matching providers and consumers, the poly approach is a strictly better marketplace than mainstream dating. Somewhat comically: the odds are good, but the goods are odd. :)