You don’t understand because you’re either not paying attention or because you’re trolling.

Random would be output like this:

Ostrich maypole dandy ironic. Great cucumber zebra!

Or this:

fhsjarbskzkdbsjzb kOdbg zkakfiebwkl

Random would be a password generator. Random would be utter nonsense. Incoherent. That’s not what LLMs produce.