Can't WoT players stop insulting in every occassion?

Dakiras:   Actually, this isn't necessarily true. It requires action from the moment of your death - when caused by others - to typing out your rage/insults. Between the occurrence of death to typing, it's not too difficult to filter out the insults into constructive commentary. You don't even have to be snide with the way you convey your message to get your point across.   In your example: 

Dakiras:   People pushing in front of enemy fire, the outcome is clear. They're going to get hit. You can point out that they should hide behind cover. People blocking behind you, simply ask them to not do this in future since it's going to result in a higher chance of a loss for the team.   The only one defending a flank... I had a similar situation on Lakeville, the whole team went along the Western side of the map hoping to overpower the enemies, me and one other defended the right flank from the city and told the rest of the team that they will come this way. We were completely wiped out on the flank and the Western side were pincered from front and back. In this case you just politely remind them of the importance of protecting the flanks, or there will be no SPG support, or they will cap instantly.   All pretty simple things to employ that won't lead to insults being thrown around the game.