[ipaddr]

He is staying in for protection. The extra money doesn't make up for having your experience count as added protection (they can't fire him, they can reduce those jobs and employees with more service time will keep the job first).

If a company can fire quickly and replace with cheaper options no one is going to last more than a few years. Many software shops do this (meta, Amazon, generic local company, etc.

I share your experiences working in a union environment when younger and having family have live long jobs. In one case I felt the union was against me or my class of worker (student employee) because we took away from regular union jobs. Still had to pay dues. The other union job just took a few dollars from my paycheck but gave me a wage I couldn't earn elsewhere.