Is Multi-Tenancy an Essential Attribute of Cloud Computing Service?

So if you’re an ISV targeting large enterprise customers, an easier option may be not to be multitenant, so you can tailor for each customer’s unique needs. It’s a perfectly valid (and maybe lucrative) business model. The issue is that eventually you will turn into a services company or, in other words, most of your revenues will come from services.

Link to news article.