My partner works for a v large private defence contractor, highly profitable.
Hybrid WFH, compressed hours IF you want it, which many do, especially parents.
DD's partner works for a highly profitable private company, again, hybrid working, they are moving to a 4 day week, after a successful trial for many but not all staff.
My DD works in the NHS, on the days she has to write up notes or do staff training, she is WFH, no distractions and can focus on what she is doing.
The idea that its the "lazy Civil Service" that are doing tis is for the birds.