Sure, we are getting into semantics now. 15 years experience could mean knowing how to lead and bring up a team and product form scratch or it could also mean 1

Sure, we are getting into semantics now. 15 years experience could mean knowing how to lead and bring up a team and product form scratch or it could also mean 15x 1 year experience if that person was constantly switching stacks/companies. It's why we should compare salaries for positions rather than YoE.