I understand games of chance (lottery, roulette, etc) being illegal because it's truly gambling. But if blackjack (and poker) are games of skill.
Whether blackjack is a game of luck or skill is a major source of debate amongst certain casino players. Here we'll examine the various aspects.
The Bottom Line for Purely Chance Games (no skill element): If you play these games, Blackjack is a good example of a game where skill can play a role. Basic Blackjack Strategy