This is a lie, we have E wallet in my country and everyone isn't even using it, I've never seen anyone use the E wallet before here and many gamblers exists here, I don't think this can stop gambling or gambling addiction.
People have gotten used to many ways to move money around and E wallet isn't even close, talk about bank transfer or even crypto wallet, many online casinos are accepting crypto today and if any they are asked which payment solution has the highest user rate it will be crypto wallet transfers.
Let's ask this same question from other gamblers on this forum I am sure that all of them are using crypto to gamble instead of using debit card.
The government feels that because these e-wallets grant gamblers easy financial access to gambling, it could lead to addiction. Under the proposed law e-wallets will be restricted from linking or redirecting users to online gambling platforms.
What is popular in your location might be strange in another country. I have read about e-wallets like PayMaya, GCash, Grab Pay, and others that are popularly used by gamblers in the Philippines because of the ease of connecting with gambling platforms. You can only speak about your experience in your country and not make general conclusions.