There are no losses. Firstly they charge the manufacturer to bundle a license, secondly their Office revenue depends entirely on users being able to run the sof

There are no losses. Firstly they charge the manufacturer to bundle a license, secondly their Office revenue depends entirely on users being able to run the software. And their Windows Server and Azure AD revenue depends on connectivity with Windows clients. And they need people to be familiar with Windows UI more than could be achieved just using it in an office.