There's a peculiar phenomenon in the amateur satellite community – the faster the call sign, the more impressive it seems, because (it saves more power from the repeater, improves communication speed, and makes me look really good), which actually only benefits new AGN.
The requirement is to clearly and accurately state your chosen phonetic alphabet, with the purpose of allowing other enthusiasts to easily copy down your call sign at once.
In essence, currently, satellites are primarily used by a few individuals for their own entertainment and communication with each other, without intending to connect with new users.