As long as they aren’t violating the license they aren’t legally or even socially obligated to fund any of the open source projects they use. If you release sof

As long as they aren’t violating the license they aren’t legally or even socially obligated to fund any of the open source projects they use. If you release software under an open source license that allows free commercial use and redistribution you are explicitly saying you are fine with this. If you don’t want this to happen, use an open source license with more restrictions on commercial use.