Biggest problem in this is, one size does not fit all. It is hard to compile a stack - which would be useful for most companies. Yes, there have been attempts

Biggest problem in this is, one size does not fit all. It is hard to compile a stack - which would be useful for most companies. Yes, there have been attempts made - for Example, Open Stack. But then I feel, there is always an element of specific technology based on the needs of the product being built.