[snotrockets]

(I'd rather not discuss the tension described and am going to be vauge on purpose, as I work on SaaS that has multiple completing services from other providers)

Some SaaS, when operated by a vendor also selling IaaS, is sold at so low cost over the IaaS, that it doesn't matter how cheaply other vendors can build on top of that same IaaS, they could never compete on price.