Putin has already launched an aggression and is running a war of extermination in Ukraine.

They do not have the means to do so. Therefore, better to use available weapons for self-defence: that's causing far more damage than any…

Putin has already launched an aggression and is running a war of extermination in Ukraine. What shall Ukrainians do? Try to destroy Russia?

They do not have the means to do so. Therefore, better to use available weapons for self-defence: that's causing far more damage than any kind of attacks into the Russian proper.