For a small business without a dedicated IT team, simply hire a IT contractor to harden the tenant (MFA etc…), have them review every six months and be done with it and focus your resources on running your business.
How do you know that they wouldnt be more productive if they were using Windows and Office bundle all the time?
Im also a logistics consultant… try to parse a multi-million line orderlines extract in Google Sheets compared to excel.
I’m also on Mac but to be honest it’s a challenge - there are still enough industry specific tools that are windows only so I have to run a parallels VM to get by.
And the biggest problem I have is managing revisions with multiple editors. If I were talking to Microsoft about strategy, this would be the thing I’d suggest. I know it’s common to use Sharepoint for collaboration, but it’s such a Frankenstein’d system that it’s going to be a problem for everyone sooner or later.