This sort of thing doesn't surprise me. Anecdotally, I've heard more than a few people bemoan a new POS system. Because I write software for a living, I usual

This sort of thing doesn't surprise me. Anecdotally, I've heard more than a few people bemoan a new POS system. Because I write software for a living, I usually prod them for details. Even though their old system was some DOS based thing from 1991, it worked. It was fast and simple. Now they have some new, enterprisey, WPF + EF behemoth that is buggy and slow. Sure, new software will almost always have more bugs than the system it is replacing; the old system, whatever its flaws (perceived or actual), was battle-hardened. It was probably written in a time when speed was more important than the technology stack it used. These people don't care so much about a nicer looking interface. They need something that works and stays out of their way so that they can do their job.