This idea came to me a while ago when I first encountered a cloud mining website and since then I still think there may be something that can be done. After some digging, I came back to the root of the problem: depositing money into the website. This is the first step for you to enter a cloud mining website and this is the most difficult one so why not create a cloud mining website without the need of depositing money into it?
Depositing money is not the main problem of a cloud mining website, the main problem of a (scam) cloud mining website is they aren't real and their operations of a "mining farm" doesn't exist in the first place most of them offer up fixed rates where for a real mining farm would be hard to pull through as they know they won't be generating the same amount of Bitcoin everyday. If you will be creating some kind of ad viewing way for users to earn money on a fake cloud mining website then I wouldn't recommend you doing so as you aren't really solving any problem here, you are just using the word "cloud mining" when your operations would just be about viewing ads and nothing about mining Bitcoin.