The point you seem to be making - that remote working is a cinch as long as all the managers already know what they need to do and how to do it - is both correct and missing the point.

Studies in the UK demonstrate that feeling isolated and making connections with colleagues in a remote environment is a major concern for younger employees: https://universumglobal.com/blog/the-leadership-gap-young-wo...

This is an organisational issue which isn't solved just by making tools like email and calendar available.