What risk does staying in a role too long because it is low-stress pose to career longevity?

Answer

It can be damaging if the learning curve has flattened significantly, reducing marketability.

Remaining static in a comfortable, low-stress environment where skill acquisition has stopped negatively impacts long-term prospects because mastery, not just tenure, provides marketability.

What risk does staying in a role too long because it is low-stress pose to career longevity?
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