let us put it this way, in every business, they have their own risks that they are battling with. we can't say there's none because if that's the case, then there's a particular business that everyone would go to because there's no risk involved.
You are pertaining to user risk on using the business platform and not the business risk itself because the user quoted example is a risk by user when use the platform. Exchange has less risk for their business because they are just facilitating the trading platform and gains fees on all transactions happening inside while Casino is literally battling against players money in able to profit using games with their advantage.
Business have different purposes that’s why the risk involved varies because exchange is designed for financial tool purposes while casino is for entertainment purposes only.