As someone who's been in the industry since the late 80s, that's certainly a perception that some people hold and certainly a factor in why I left my last posit

As someone who's been in the industry since the late 80s, that's certainly a perception that some people hold and certainly a factor in why I left my last position after 11 years at the same company (well, several acquisitions along the way.) At some point folks consider a long tenure a negative when you look for your next position and you're best off leaving before that happens.