Earlier quoted context omitted.
It's not "termination on any action against Facebook", the termination is only for: 1. filing a patent infringement against Facebook (for anything, related or unrelated to React) 2. filing a patent infringement counterclaim against Facebook for patents related to React (after Facebook have first filed a patent infringement claim against you for patents on anything) 3. filing a patent infringement against anyone for p…
> You can take action against them, you just don't have a patent grant once you do. Which opens you up to being countered-sued right? It seems that this leaves Facebook to freely infringe on any patents of React users without consequence.
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Also, patent lawsuits are costly. If you're going to start one against Facebook the cost of switching away from React first would be negligible.