In the worst case, the depth-first life leaves a person mostly useless except for at least one deep skill, but the breadth-first life in the worst case can leave a person completely useless since no skills have been developed past an arbitrarily superficial level.
These are, of course the extreme ends where life has been well wasted. :)
Often an inheritance comes with an upbringing full of entirely different experiences, culture, and values from those who do not inherit much if anything. Deep knowledge and skills are naturally imbued into the next generation without much deliberate effort despite the fact that someone did put in much deliberate effort to manifest that situation. Every lineage begins with someone who had to learn it all the hard way.
Aside from practical limitations, health, economic prosperity, I'm of the opinion that there's value in staying compelling by exploring your curiosities instead of dismissing them in favour of protecting your current happiness. In order to have resilient connections with others, you need to find ways to stay attractive over time, and it's a consequence of doing new things from time to time, travel maybe being one of them.
There’s a lot to do on most continents.
There's a lot to do in most cities, even. I think you could spend all your free time exploring, e.g., London and you'd be good for a few years worth.
> He has no idea what it's like to even book a flight, how much it really costs, how security procedures have changed over time
TBH I don't think that's something to miss. I'd be pretty happy to not know that either. Unless you're writing a book about air travel security, that's probably not worth any attention.
It's more of a personal revulsion I have against having pride in being ignorant, and then relying on ancient knowledge only to inform current and future decisions. "Flying is a hassle and expensive" just isn't true in many but not all cases. It's one thing to have a preference, it's another to have prejudice, and I think ignorance turns into prejudice if you go long enough without re-evaluating the criteria you once used.
That's an interesting way to put it. I certainly wouldn't say I have much ambition to leave the continent either. If the time and money come up, there's places I'd like to go, and maybe I will some day. It's not a big life goal I'm working towards though.
With a bit of effort we could afford say, 5k, to go off for a couple weeks and do the tourist things in basically any region that piques our interest. That same amount of money could provide both of us a lot more growth and enjoyment without leaving the US.