All of the above may be correct, but nothing here advocates for a web service instead of licensed software. If I want to solve a linear program, I can use an op

All of the above may be correct, but nothing here advocates for a web service instead of licensed software. If I want to solve a linear program, I can use an open source library or I can pay for a commercial offering, but that commercial offering will run on my hardware (or cloud instance) and will operate independently of the network. If I want to edit a Word document, I can pay Microsoft for a local copy of Word.