They didn't say "leisure" they said "fundamentally important activities." Activities that are currently, for the most part, not compensated. Examples include all sorts of things involving childcare or education. Stuff which has almost incalculable value to society but the purchaser and the beneficiary are two different people, if there is any money changing hands at all.

Somewhere out there there are hundreds of thousands of people who could be force-multipliers working as mentors to students. Instead they're working for $20/hour doing rote work that has only marginal or even negative utility.