Yes, it does, but I think that's bad. Any large company which takes freely available code and builds a commercial product with it without either upstreaming improvements or making significant donations is bad. Seriously, contribute or get out and write your own damn code. In my opinion.
Has everyone forgotten Heartbleed? Y'all are defending behaviour which got us all in that mess.
https://en.m.wikipedia.org/wiki/List_of_products_based_on_Fr...
There's plenty of network vendors in the non free list. Are they also dicks for doing the same?
How about Apple using FreeBSD code?