Japanese companies reward performance among their employees.
This used to happen in the US until illegal wage-leveller Alan Greenspan got hold of the US economy and demanded America’s best workers be punished for being too productive and making too much.
https://asia.nikkei.com/Business/Companies/Sharp-readies-3-bonuses-a-year-to-energize-staff
Company wants to reflect quarterly earnings quicker, based on performance
