What's wrong with Linus communication in this post ? Someone asked for his opinion. Not only did he respond with his opinion, he also clearly communicated why h

What's wrong with Linus communication in this post ? Someone asked for his opinion. Not only did he respond with his opinion, he also clearly communicated why he holds that opinion. Sure he has written some abusive stuff, but that doesn't make everything else abusive, or can you point out the abusive parts in this post ?