Maybe there is a way to make this a little more fair. Every open source project could add a patent clause that said "If you license your software with a patent

Maybe there is a way to make this a little more fair. Every open source project could add a patent clause that said "If you license your software with a patent clause and invoke that clause against anyone, you lose your right to use this software". I know, I know, tit for tat. On the other hand FB wants to be part of the open source community they should do it in a fair and reasonable way, and if they need to "protection" maybe everyone else needs it too.