None of these companies make money from Free Software. They might use Free Software but the majority of those companies run proprietary software as a service.

None of these companies make money from Free Software. They might use Free Software but the majority of those companies run proprietary software as a service. Data-driven aspiring entrepreneurs would notice that companies attempting to create and sell distributed free software haven't historically done so well. Putting ads in free software doesn't make it analogous to the business of Google and Facebook.