In a lot of ways I envy these people; there's a lot of hardship they face with the lack of permanent address, and I can't imagine that RV living is incredibly pleasant nor cheap compared to more conventional house, but they're also untethered in ways that make living "normally" seem like the crazy proposition.
When it’s a choice you get to make, not when it’s your only choice. Don’t you have a shred of empathy? Envy them... Jesus Christ this site!
Freedom from dignity or the respect of your peers, of stability, of the ability to start or raise a family, and freedom from much of the dating pool. As a bonus you get to wonder when what little you have might vanish and you’re “free” from that too, and “free” to live on the streets.