You cannot ban someone if he is playing just by chess rules.
I fully understand that it is bad behavior of not resigning, especially in tournaments , if you place with much higher rated opponent and he has a lot of time left. Or in Simuli...
However, as a chess coach of kids I cannot agree with ban. We always teach kids to fight till the end. That is the first lesson - fight till the end... And even checkmating with a queen is a real journey for beginners.
I fully understand that it is bad behavior of not resigning, especially in tournaments , if you place with much higher rated opponent and he has a lot of time left. Or in Simuli...
However, as a chess coach of kids I cannot agree with ban. We always teach kids to fight till the end. That is the first lesson - fight till the end... And even checkmating with a queen is a real journey for beginners.