> If you love what you’re doing now and don’t ever want to change jobs, great: you’ve reached the end of your career

Guess I'm there. I don't know how common my mindset is around here, but I have a relatively low stress, unexciting remote job in web dev. It's not glamorous or particularly interesting, but it pays well and offers the flexibility for me to travel a lot/spend time with loved ones and have extra mental energy for my hobbies. Well worth the tradeoff for me personally - I have no particular impetus to climb the corporate ladder when I already make six figures in a low cost of living area.