Develop a FOSS product and license it so that anyone can use it for free and modify it and not require to publish the code. (core principle of FOSS community)

Develop a FOSS product and license it so that anyone can use it for free and modify it and not require to publish the code. (core principle of FOSS community) But somehow prevent big guys from misusing it. (in this case) I guess we need laws to prevent this from happening, just like you cannot hide ingredients on a food packaging, you shouldnt be able to 'hide' software (but still be able to protect IP rights.) FDA equivalent for silicon chips - Silicon Valley Administration edit - removed a poor analogy and added ()