I received the following from SE, and what it tells me is that they have all, but given up.
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support_eu_ig2@square-enix.com

9:33 PM (16 minutes ago)



to XXX







Greetings and thank you for contacting the FINAL FANTASY XIV Support Desk with your concern.

We appreciate your report about a player suspected of using a third-party software as we can understand the frustration caused by such practices.
Please be assured that we are serious about taking action on this sort of disruptive behaviour as stated below:
https://sqex.to/HyQHz

However, in order to ensure a quicker and more accurate investigation of such incidents, please do not hesitate to report them directly to the Special Task Force on the Support Centre website at the following address:

https://support.eu.square-enix.com -> FINAL FANTASY XIV -> 'Report bugs or offending players' (bottom right) -> 'Report a case to the Special Task Force'.

Once your report is submitted, we will unfortunately be unable to provide any updates or information regarding any action taken against the suspect player.

Thank you once more for your co-operation regarding this matter and we would like to sincerely apologise for any inconvenience caused.

Regards,

- The FINAL FANTASY XIV Game Master Team