More coins and tokens are helpful, but BTC should remain the priority in my opinion since majority of the gamblers including me depend on BTC for deposits and withdrawals since it's easier to convert to FIAT and vica versa when compared to other altcoins.
Shiba Inu recently fell in price thanks to Musk stating that Dogecoin is the people's cryptocurrency though it still remains popular based on the crypto ranking list.
Honestly, I would choose Dogecoin over Shiba Inu any day since it's not just a meme coin anymore and history has proven that.
I moved away from bitcoin on gambling sites due to the transactions fee. I would rather prefer altcoins such as TRX or indeed DOGE for the much lower fees.
Shiba Inu is getting a lot of hype but will probably fade away in a couple of months as probably another more popular meme coin will get created some how.