Well, Github introduced way more new features since Microsoft took over.

Also, according to the article itself, "[it] could be all a part of coordinated effort to be more transparent about their service status".

Maybe Microsoft is less averse to complexity - which would still make uptime degradation land squarely on Microsoft’s shoulders. Microsoft seems to be an organization that actually introduces too much complexity to their products imo.

Microsoft has every right to move fast and break things on their watch.