How about considering that retiring early just doesn't sound that fun?
It's common enough in people's 40s, 50s or so, that they are finally experts in their field, they've found what they like doing, and why would they quit? They are in the mastery years. They are leaders and mentors. They want to leave a legacy. They are less impulsive. They are more productive. They are wiser, more patient, and sometimes more sentimental. They don't want to sit around blowing shit up on an xBox and lots of shiny material crap has become less important.
Why is it so hard to understand that retirement might actually suck?
Even if someone isn't doing a dream job, the idea of retirement may seem boring.
I spent much of my 20's and 30's as a climbing bum. I can't imagine anything more boring right now in my 40s than sitting around all day at a cliff with bunch of dude boys trying to impress flaky girls and hanging by my fingertips.
Point is, you're going to change over the decades, and you need a plan for retirement that includes being productive, not just dicking around. For a lot of people, they watched their parents retire and then crumble into bad health. A teacher who spent her days hustling around the classroom for 40 years, suddenly has a stroke after 6 months of sitting in front of the tv. Etc. That's why retirement may be resisted as an idea by some.
Maybe this needs to be reframed as "financial independence" rather than retirement. Find what you love, then do it since money doesn't matter to you.
I just sense some attitude around here that life is going to be 11am wake up calls, Oprah reruns, and six pack lunches once you make the magic number. You'll rot if you do that, you know.
Really, I think you have a responsibility as a human, to humankind, to be the best, most productive version of yourself. That's not some lazy slacker. We need your creativity, your hustle, your productive effort. Someone needs to build the next generation of kick ass stuff, create new jobs, teach our kids, and lead us.