These are presumably people whom the Russians see as Russian citizens, happy at being returned to the bosom of the Motherland. The Russians have indeed a curious way of winning friends and influencing people.
They are also very good at sacrificing their own people in the name of the Motherland.
This popped up on Twitter today:
"I thank the Swiss parliament's upper house for an important move to unblock the re-export of Swiss-made weapons. We are looking forward to the next steps. I am grateful to Switzerland for its solidarity with Ukraine while upholding its neutrality."
Did it happen?