Yes there are speed limit laws but it seem that is not enough using the accident record. I propose there should be a law on the usage of fast cars, the only requirement to own one is your drivers license and your money. There should be a special license for the use of fast cars where users will go through a school in the handling of fast cars and overall usage. The government should not show a blind eyes to all this incidents.
I agree with you, when a law is made in a country and over the years some things starts happening it will be very good for the government to review the law and make a law that will prevent those bad things form happening, however in this case people that you see that is driving anyhow without control or following the road safety rules and regulations are people who are thought about the road safety rules and regulations very well when they went to take a driving license but you know people sometimes they just decide to behave anyhow they want and putting the life of other people at risk.
So even if they provide another way or certificate for people that can have position to this fast car, people will still go for the certificate pass all the training and when they are giving the opportunity to drive those fast car they will still not follow training they have gone through, they will still drive anyhow, so the best is just to set people that will mentor cars in road and a lot of countries already have it on place.