The attached letter seems official enough.
O.

On 02/03/2022 02:01, Barry Shein via At-Large wrote:
I'm not sure that the ICANN GAC representative from Ukraine has the
authority to request this except inasmuch as I suppose anyone can
request removal of a ccTLD, IP allocations, etc. But as an official
representative of their country.

How would we know if someone higher up in Ukrainian authority,
Zelensky for example, would think this a terrible idea? Perhaps for
reasons you won't think of off the top of your heads.