We can suggest the new gambling site add altcoins to their site to help the gambler reduce the withdrawal fee if they use bitcoin or ethereum. With the increased price now, people feel not right with the fee, but they can not do anything except follow it.
Yes, new gambling sites can add altcoins withdrawal system. By following this, it may help them for marketing. It will be considered as a marketing tool for them which will help a lot to grow faster and also will he helpful for gamblers too. But we are doing withdraw with forcibly high withdrawal fee.