SAP Communication Centre barely works on a Mac, so I don't believe that.Cisco, IBM, and SAP have all entered the chat. They are all very heavily Mac focused. Cisco and IBM have even posted articles about how their employee moral has improved with the introduction of Mac as a Choice. (Not coincidently, the CIO of Cisco used to be the CIO of IBM and has brought Mac as a Choice to both organizations).
Now, I won't say Macs are easy to work with in the Enterprise. This is my daily job. Some of the issues are cultural (legacy IT thinking, macOS products that are just poor Windows ports) and some are Apple's (poorly written and implemented Enterprise tools.
I am talking about Europe and mainly the Nordic companies. Nobody uses a Mac or Linux. Everything is Windows based. Absolutely everything. Nobody really uses iPhones either. Everybody uses Samsung.