Speed limit for winter tyres

Hello A6 driver, someone knows more about the importance of the speed limit (210km/h) of winter tires, or is that just money making again??? Has someone ever burst a tire, because he has exceeded the limit for longer time (because of heat)etc.????? Would I be really interested, since at the moment I also have winter tires on it, which are “only” up to 210km/h approved….. Thank you in advance for your answers!