Earlier quoted context omitted.
The problem is if you ever found facebook infringing on one of your patents, you could not sue them -- your react patent grant would be rescinded. This is not a behavior of free software.
This is the same BS repeated on HN almost every day now. You can sue FB anytime, whether you use React or not. You do not give them any kind of permission to use YOUR patents just by using React. The only thing that happens when you sue FB over patents is that your patent grant covering React is gone, reducing your license to a regular BSD license. If you use Angular, vue or whatnot open source products covered by li…
What do you mean by:
"Gosh, I am so happy to live in the EU where we do not have to deal with this kind of BS and can just use the best technology that solves the problem."