Did you read the blog post? His main concern is suddenly updating ~25% of all websites to "include" the React license. Imagine Microsoft running a small WordP

Did you read the blog post? His main concern is suddenly updating ~25% of all websites to "include" the React license. Imagine Microsoft running a small WordPress site off in the distance somewhere that takes the Wordpress + React update. Tadaa, MS is now in theory bound by the FB patent clause. He doesn't want to be responsible for the potential legal liability of encumbering 25% of the internet with a new license agreement.