Re, looping; there are controls to turn it off. You aren’t paying attention one bit. If you’re going to say things, at least be diligent in the things you are going to address.
The nice thing about them is that they're flavour changing
Does this not blow anyone else's minds? This seems like a clear case of 'because we've always done it that way'. There's no way if a system was being developed today they'd say to hell with screens, lets just give them instructions over audio and assume they'll follow them to a T if acknowledged.
Computer -> human -> radio(spoken protocol) -> human -> plane.
There aren't a lot of practical reasons it can't just be
Computer -> radio(digital protocol) -> plane
(There are nonzero reasons, such as the presence of weird situations, VFR aircraft, etc., but it's not a lot.)
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