exmple deposit 1000$ so profit will be 100$ with no risky and don't tell me dice is risky because i know what is risky
And this 10% profit is the problem! A whale make deposit, he places few bets and with 10% profit he can be satisfied, and when someone little deposits $10 and make 10% profit it's nothing, so copying bets from high rollers will not work, you will have to make an extra effort and try to make higher profit if you wish to be satisfied with the money you won. Of course, you can try to be patient and to set up a 10% goal for the day, and 10% every day can make you a nice amount in some time, but many tried that and got busted along the way. Don't forget "the seed", some people play with bots, and they change their seeds after certain number of bets, so copying bets doesn't have much sense when you play on different seeds.
Maybe this copy bets strategy can work with sport betting, but you need to find a high roller who is willing to share his bets, just that!
I have not thought about this but it is a good point, it is the same about trading actually, both traders can trade in the exact same way and get the same 10% profits but if one is holding one million dollars and the other one hundred dollars then the difference in their profits is massive even if they gained the same amount of money.
As such the idea of the OP while novel and interesting on the surface is nothing more than a dream that will never be implemented and even if it was it will not make a difference as the style of betting of high rollers cannot be imitated except by other high rollers.