"But at the time it was all ethical" Similar to that is the impression between people who know each other that is not ethical to do a similar software business

"But at the time it was all ethical" Similar to that is the impression between people who know each other that is not ethical to do a similar software business. I assume this is more valid between programmers than in any other industry because people involved are more often more nice. But I suppose someone will live to understand that this is wrong to assume.