1. they are one place above junk;
2. they are being treated as effectively junk;
3. if they get classified as junk, any pension portfolios holding Oracle stock must sell as they can't hold junk stocks.
If that happens then there will be a cascade of effects. Not just in the AI/datacentre sector but elsewhere, as Larry Ellison holds a stake in Paramount/helped finance the Paramount/WB merger.
[1] https://www.youtube.com/watch?v=rHaPfdnRoZ4 -- Mostly Economics Podcast #55: Who pays when the AI bubble bursts with Ed Zitron (12:36 - 23:53)