It's not "fine for normal desktops" if It doesnt run a supported version of office. Microsoft are very clearly targeting it at kiosks, ATMs, medical devices, etc.
From your own link:
"Effective January 14, 2020, ProPlus will no longer be supported on the following versions of Windows. This will ensure that both Office and Windows receive regular, coordinated updates to provide the most secure environment with the latest capabilities.
Any Windows 10 LTSC release"