It also seems to conflate 'laid off' with 'fired', which makes it a little harder to understand. Is GP saying he would have been fired (for cause?) at these job

It also seems to conflate 'laid off' with 'fired', which makes it a little harder to understand. Is GP saying he would have been fired (for cause?) at these jobs? Or is this just using the term 'fired' in the colloquial sense of 'involuntarily terminated, for whatever reason'?