Also many comments here forget people have both work computer and personal computers. Most people are familiar with the Windows eco system from their personal computer. Forcing them to learn a different system is just unrealistic.
https://www.statista.com/statistics/214641/household-adoptio...
Most of those were Windows PCs. OS/2 never took off for home users.
Schools were using either Windows or a few were using Macs - both running MS Office.
Think you might be shocked just how few people have a “personal computer” anymore. Most children and even most adults these days experience computing though tablets and phones.