They pretend they are "market" and not gambling to avoid regulations.

It is not pretend, it is technically correct (the best kind of correct). Redefining what gambling is, is a different problem.

	▲	A_D_E_P_T 4 minutes ago \| parent [-]
		It's a market in the same way that poker and blackjack are "markets" on which cards are most likely to appear. You don't need to redefine what gambling is.