You’re both correct.
Those FReepers who are end users, however, which is the vast majority here, don’t note or understand the difference, so rarestia was bringing those facts forward.
I do work for Microsoft, and mostly I’ve migrated from support/consulting on on-premises datacenters to the cloud, and use a LOT of Linux virtual machines and Linux based web services in the Microsoft Azure environment. Microsoft is no enemy of Linux and in fact a very big promoter of its use.
Windows in the on-premises datacenter is still king, but I think a lot of Azure is using Linux under the hood!
VMware