"If you are heavy into extensive VBA macros......"
Indeed. But the fact of the matter is that 99% of the people who use an office suite are not and Open/LibreOffice works just fine. Our seccys adapted within a couple of days.
A mainstream Linux distro is now easy to install, easy to configure, easy to administer, very stable and considerably more secure than anything but the most carefully locked down Windows (which 99.99% are not).
The venom displayed in this thread is odd.
There is absolutely no reason why (apart from MS's widely documented anti-competitive practices) why the world should be tied to Microsoft's OS and apps for ever and ever.
Mac