Take note where IBM is saying it’s future lies Semiconductors, mainframe, AI and quantum. The only legacy moving forward is mainframe and it’s future evolution. Everything else must go as the world has already found alternative solutions.
https://finance.yahoo.com/news/biden-tout-ibms-20-billion-090600340.html
This is on top of IBM’s announcement on Monday of combining Redhat storage and legacy storage into one entity. SW defined is obviously the future and IBM doesn’t care about what HW is involved as it’s moved to commodity.
What does the future hold for Power? Most likely just the “niche” enterprise ERP offerings, with possibly an AI (think performance) aspect.