double entendre: Is it load based or github-employee based that weekends are sparser.

or just a multifactor of both.

Didn't they blame "AI" for the increased load? I'm not sure why AI usage would be more during the week than the weekend, but it could be.

It does look like Friday outages were a bit rarer, which could be due to having a "no deployments on Friday" rule.

From the chart it seems they should have policy to deploy on weekends only.

Yes