The government wants everyone to have more daylight hours after work, since that's correlated with higher economic activity. From the government's perspective,

The government wants everyone to have more daylight hours after work, since that's correlated with higher economic activity. From the government's perspective, they cannot force all companies to shift their working hours, but they can shift the clock. They're changing the abstraction once instead of changing all concrete implementations. This change doesn't make a difference for most of us in tech, since we can usually set our own hours. But it does make a difference for shift workers.