Have you been to a real casino recently? You can't gamble with a penny. Maybe you can on some slots.

However if you want to play a game like Poker, Roulette, Blackjack they all got min bet amounts. So basically if you go to a casino with $5 you won't stay there too long.

With most crypto casinos you can bet with like 10 satoshi or so, some even offer 1 satoshi bets. Actually some even let you bet with 0 Satoshi.

So his point is correct that it makes gambling more affordable since the limits are much much lower.