Right. Any others? Point being that this is an unconventional fee model with very little real-world adoption, except for the enterprise market, where it's a no

Right. Any others? Point being that this is an unconventional fee model with very little real-world adoption, except for the enterprise market, where it's a norm. So trying to use it outside of that niche is risky. For every person who says that they would pay for the maintenance, there will be a dozen who will be completely pissed by it and won't hesitate to trash the product.