[cageface]

Think about it this way. As a programmer, the future of your career depends on your ability to keep learning new things and to stay on top of new technology. Anything that threatens your ability or motivation to do that is very dangerous.

It's easy to get comfortable in a good gig, particularly if the pay is high and the work isn't too onerous, but this is a trap if it means you wind up doing the same thing for too long.