[eBombzor]

Sounds obvious in theory but the majority of applications are targeted for a very specific audience, i.e. banking, freight forwarding, CRM even. Not to mention if you work at a mid+ size company you'll be working on a piece of the application. Good luck trying to use that in your day to day life.

[eschneider]

If you're writing software to automate a business process, you're well advised to spend some time learning how to do the job you're automating so you some idea if what you're making is shit or not.

[euroderf]

Or you could just write ERP software, secure in the knowledge that the customer organisation will be bent to conform to the ERP model.