Coming from engineering, CS people never seemed to understand why someone used Matlab at all, when python existed or even the utility of 'R'/'Stata'.
The effort needed to onboard onto a programming/mathematical/computational tool, when you don't have a strong coding background to go with it, is extremely high. The users will hold on to them till their dying breath, because the is tied to more than 50% of their own value proposition.
Excel is the epitome of this phenomenon.
Also, excel is straight up a good tool. The only advantage of Libre office is the price, which is a non-factor for any major corp. Google's collaboration suite is better, but they lag behind in every other area.
I can see windows being completely replaced by competitor, but Office will stay. It is MSFT's stickiest product.