When I was little, before seat belts, you had to be at least 10-15 over.
Everyone thought that 5-7 over, was 100% safe.
Not driving 5-7 over, was considered slow.
Now, cars and tires are better equipped to drive high speeds. A very high % of drivers are well above 15 over. To me, they are asking for it, in time they will get it.