At a minimum, they could send balloons with "Greetings from Ukraine!" leaflets. No need for threats, just let the capability sink in for the recipients, essentially PsyOps. As a bonus, they might be able to see where the baloons set down via outraged comments in some of the Telegram channels.
Written by Bob Koure
Retired software architect, statistical analyst, hotel mgr, bike racer, distance swimmer. Photographer. Amateur historian. Avid reader. Home cook. Never-FBer