Earlier quoted context omitted.
Is that even a serious criticism? Users had about ten years of warning before 32-bit went away. The real impact of that on real users is minimal.
There are some non-trivial apps used by real users that are 32-bit only, in particular the pre-subscription versions of Adobe Creative Suite.
Especially in companies, there may be that ‘essential’ app somebody wrote in two decades ago that nobody has the source code to or, if they have, uses a language dialect no modern compiler supports, requires third party libraries of companies long out of business, etc.
Also, hardware support may be an issue. Expensive hardware can have long lifetimes, and hardware companies tend to be bad at upgrading drivers order hardware they don’t sell anymore.