Nowadays it shouldn't just about the coin, but about the provider as well. if a website can have few options like binance chain, ERC-20 i think it should be better
Binance smart chain got low fees and is fast but some might argue that it is centralized so it might not be the best option for some people
No, it not that people will argue it's centralized but people will say it's centralized, isn't it centralized? Why do we have to argue about the fact of the issue which is already know by all.
BSC is not the best option and most private company (gambling site) don't support it.
also adding any kind of ERC-20 token won't help as they are just tokens based on Ethereum blockchain and actually you have to pay way more fees to transfer ERC-20 tokens on Ethereum network than Eth itself, so it's cheaper to just use Ethereum.
Adding Erc20 is another worse ideas and the perfect altcoin i think will profit gambling site owners and gamblers will be Litecoin