That is not an interpretation, that was an actual strategy. They put enough information and source code into the documents that described its function to taint

That is not an interpretation, that was an actual strategy. They put enough information and source code into the documents that described its function to taint anyone who read the documentation. There are multiple sources (and I do believe some TV) on IBM's strategy. Compaq's Garry Stimac realized the problem when he read the manuals. A clean room strategy was setup.