Rightwing lobby group campaigns to undermine UK four-day week

I mean why? If people are more productive, and it's improves their lives. We also need to deal with a climate crisis and having people not commuting for a whole extra day/having extra time to engage politically would be very useful. Although maybe they are trying to disincentivise the last part.

That's because lots of tory party donors are commercial landlords I guess. For the same reason they didn't want people to work at home they also don't want to give companies a reason to rent less of their office space.