> Had the cost of building custom software dropped 90%, we would be seeing a flurry of low-cost, decent-quality SaaS offering all over the marketplace, possibly undercutting some established players.

Aha. Are developers finally realizing that just writing code doesn't make a business? We actually have a ton of SaaS companies being born right now but they're not making headway, because functionality and good code don't necessarily mean good businesses. Building a business is hard.