The answer is that you don't want to take the job if saying "no way" would be a problem. It's a coal-mine canary whose death indicates that more severe problem

The answer is that you don't want to take the job if saying "no way" would be a problem. It's a coal-mine canary whose death indicates that more severe problems will occur after you have committed yourself. The presence of the clause that requires rejection is itself a lesser warning, but not necessarily cause for immediate alarm.