Ignorant and blind is anyone who does not see what a catastrophic influence Pirelli has on racing in Formula 1. In almost every season of their infamous engagement, they had a failure that in itself would be enough to be kicked out of F1. And every time lives were in danger. I wonder if Jules Bianchi would be alive now if we had a good rain tire on the car? Would a fatal incident have happened at all? They can have 1000 years of experience, but they can still be stupid, incompetent and short-sighted because they agreed to intentionally make bad tires because the FIA wants it that way. They tarnished the name and made a bad advertisement because they associated it with something unreliable and hated like tires in f1. There is a good reason why serious companies from the industry, Michelin, Bridgestone, etc., refused to participate in this kind of f1. It is bad for a business to make a bad product.They may have completed the task but turned out to be incompetent.
So yes Pirelli don’t know how to do their job.I believe that Durex would make better tires than them.
They are the worst tire supplier in f1 history and their departure will be really great news!
By the way, calling other people ignorant just because they don't think like you speaks about your upbringing ...