Why is there Aero when connecting via RDP from Windows 7 to Windows 7, but when connecting from Windows 8.1 to Windows 7, Aero is gone?

Question

Windows

There is a suspicion that Aero from Windows 7 to Windows 7 is because Windows 7 basically has an Aero theme, but Windows 8.1 does not. And probably Aero itself is processed on the computer from which you enter, and not on the remote one. So?

Answer 1

RDP settings are different.

Answer 2

and why in RDP Aero!? there is no speed anyway, why load remote access with unnecessary features?