Except all the technologies listed were basically in the heydey of the 70s and 80s. Gerstner redirected IBM into an enterprise services business in the early 90s and by the late 90s that's where all their money was. The 2002 acquisition of PwC consulting cemented this shift. In the mid 2010s under Ginni Rometty IBM software became secondary and it abandoned selling it as standalone software instead bundling it into its consultancy.
So IBM hasn't been doing hardware R&D for about three decades and abandoned software R&D well over a decade ago. R&D hasn't been in their DNA for a long time, their previous contributions notwithstanding.
Having a research department is very different from whether they are actually accomplishing anything and whether or not it is a meaningful revenue stream. On all fronts this is just not true. The quantum stuff so far in the industry is vapor ware and its unclear wether IBM is really making forward progress vs yearly pronouncements of progress to keep the funding stream open
So IBM hasn't been doing hardware R&D for about three decades and abandoned software R&D well over a decade ago. R&D hasn't been in their DNA for a long time, their previous contributions notwithstanding.