> They're going to have to try a lot harder than $1 for 50 days worth of reading, in a world where any time taken off from work is a risk.

If the "get paid to walk" programmes [1][2] were an inspiration for this, it's mostly retirees and students that will do and try to game this [3].

[1] https://www.healthhub.sg/programmes/healthyliving

[2] (RIP) https://www.hpb.gov.sg/healthy-living/our-lumihealth-journey...

[3] https://sgunfitrunners.blogspot.com/2016/04/5-despicable-way...