Interesting blog. I'm not sure it says anything different from the other FIRE blogs, but it seems a bit more polished and well-written.
As for the content, I'm actually starting to wonder how rare it is for people earning >$200K in their late 20s / early 30s to become millionaires after 10 years of work. Anecdotally, this was the norm for my peer group, especially if we lower the bar to $500K for single people. The hard part is getting and keeping a job that pays very well.
I agree with these two that conventional wisdom about home ownership might not be good advice today, given how expensive housing is in metros with good jobs. Also, not mentioned on their site, but a common problem for yuppies, is the high cost of professional school. Leaving a high-paying job for two years to get a $200K MBA will definitely set you back on early retirement.
It sounds like these two spent all or essentially all of their working life with a single employer. My suggestion would be not to generalize from a single crappy job. Not all jobs suck. Personally, I think a better goal than FIRE is to work reasonable hours at a fun job and earn >$200K/year with enough money in the bank to feel comfortable walking away at any time. This is especially true if kids will be in the picture. I would not want to raise a family on only $40K/year anywhere in the world.
