Some professionals, notably those whose work culture encourages self-determination, can be allowed to bring in their own hardware or request custom hardware. These are usually the outliers, rather than the norm (and in fact, this is often advertised as a "perk" of being employed at that particular place).
The vast majority of corporate environments are rather locked down and standardized, understandably, with one-size-fits-all or a set menu of tech provisions, depending on role (e.g., designers often get larger screens than accountants).
Even as a developer, I had to fight for larger screens for my team, as IT saw no inherent need for larger screens beyond what they initially provisioned.
Contrast that with my WFH setup, with my 3-monitor setup on a 7-foot standing desk...