I would call those companies epiphytes [0], not 'parasites', which is untrue and pejorative. Adoption of FOSS is good for society whether or not adopters contri

I would call those companies epiphytes [0], not 'parasites', which is untrue and pejorative. Adoption of FOSS is good for society whether or not adopters contribute back to the project (even though they should). [0] https://en.wikipedia.org/wiki/Epiphyte https://en.wikipedia.org/wiki/Epiphyte