Simple: Chance.

More specifically, they experience any number of events that made them question what is money.  Many roads and such events lead to #Bitcoin maximalism.  Hunger, abuse, envy, jealousy, unsatisfied parents/partners/spouses.

Once you dig in, you try to make more money, then you ask why you can’t, and you just keep trying new things until you stumble at Bitty.
#Bitcoin