[barrkel]

Competitive advantage is rarely in processes that a company is trying to replace or automate with third party software.

[mbesto]

^ this.

Coca Cola does their financials the same way Pepsico does. Yet both companies have tried to implement them in unique ways and subsequently have cost them a great deal in terms of IT implementation costs that offer little to no competitive advantage.

[mgkimsal]

potentially harder to poach people from the competition if you're both doing generic stuff but using proprietary, custom and opposite techniques?

[rbanffy]

That's a justification for writing an ERP in Brainfuck.