I truly fail to understand the logic besides protecting personal interests. By most metrics it’s a success.

Unless he believes that if the council workers can be this efficient and productive in 4 days and that productivity hasn’t been affected then the council workers should be able to do extra with that extra day and they obviously weren’t doing enough before.

It’s twisted logic, but there’s a sense to it? If you manage to forget that people are people and need time away from work in order to be more productive, happier, etc