The biggest reason, believe it or not, was money.
People are under the impression that developing client-server applications generally costs too much.
It costs too much to develop new programs, costs too much to retrain, and these applications generally cost too much to maintain. This impression seems to come from several sources. Here's the answer. These tools combined provide for the most complete client-server solution for the HP 3000. It was the first development tool to make it easy for programmers to write to the Microsoft Windows platform, and it was the first tool to make it easy to write client-server applications for a PC client.