[buonzz]

captured a bunch of "domain knowledge" of which only 20-30% is relevant to your business.

let me guess, they did not captured/predicted the domain knowledge required to run the following business huh: - search engine (google) - marketplace for arranging or offering lodging ( airbnb ) - ride sharing ( uber ) - social networks (twitter/facebook)

if all businesses does everything the same way (because some german company thinks it is), all end-products will look all the same. The same way if all chefs is following the same recipe.

IMHO the tools/choices to send invoice, manage orders, product lifecycle can also be a differentiator for your business.

[tomnipotent]

> The same way if all chefs is following the same recipe.

It's more like chefs using the same kitchen appliances, pots, pans and equipment as everyone else. And they do. You use a Salamander Broiler because it does the job.