They've learned over the last two and a half years that the employees who are most capable of working from home are predominantly white, and those who do not have the work space and/or equipment and/or technology skills to work from home are predominantly black and Hispanic.
Yup—there does seem to be a bit of “keep all the crabs in the bucket” going on here—and that will lead to two tiers of employers....
Some will hire and keep the most talented workers who can and will work at home.
and others will have an office full of a large number of mediocre and unskilled time wasters and managers who spend most of their time baby-sitting and dealing with human resource issues instead of getting the work done.
Will it be (largely) racist?
Yup.
The employers are going to have to deal with it.