If we compare what Ukraine and Russia write, it is often seen that these are diametrically different thoughts on the same events. People trust those they follow.
But this is a problem inherent to most human beings and does not come from twitter. It's always easier to follow the source that goes our way and therefore to believe the one that is most often in that case. So whether it's on Twitter or in the newspapers, people will go with what suits them.
So banning a media just shows that the government does not appreciate what is said on the platform and therefore more generally does not support free speech.