Something else that tends to change around the 10 year mark is that if you prefer to continue your career with IC roles then the people interviewing and making

Something else that tends to change around the 10 year mark is that if you prefer to continue your career with IC roles then the people interviewing and making hiring decisions will often be younger and less experienced than you. Obviously at good employers that makes no difference but ageism is certainly a factor in this industry. It's not the years of experience that are losing those jobs, it's just the years.