Besides, most FOSS projects specify a license that forbids stealing the code and using it in ways to make profits while not contributing back or making the fork open themselves. These licenses protect the IP of the FOSS projects. There are countless lawsuits of FOSS projects against IP theft. Without IP, FOSS projects will have a hard time to justify their work.
So? You can have both.
Besides, most FOSS projects specify a license that forbids stealing the code and using it in ways to make profits while not contributing back or making the fork open themselves. These licenses protect the IP of the FOSS projects. There are countless lawsuits of FOSS projects against IP theft. Without IP, FOSS projects will have a hard time to justify their work.