How many of those commercial products are more than 1/2 FOSS though.

Really what we are talking about is last mile code really, yes that can cost money but I think its on the way, I remember when linux was unusable as a desktop.

I said it 20 years ago and I still believe it now, its not possible to monetize a social network to be both profitable and vibrant. Social networks are like public transit, at best you can hope to break even, maintaining the commons is just part of being in this world. We can't sit around and expect others to do it for us.