I didn't mean any offence to anyone with what I said
It's just that, while being a very knowledgable person, he can say what he needs to say without being rude, which he does have a tendency to be rude sometimes when there's absolutely no need for it. I will say however, that I do agree with his intentions of stopping people doing things that they're clearly not capable of, but it could be done in a less rude manner.