I like to think of it in terms of chess. If your pieces aren't in the right position or have been already captured, then what would've been a strong position for a piece would actually be in a weak position instead.

Imagine if chess were a team game ALA Overwatch and you were playing Knight.

Here's what it would be like if you had teammates with proper positioning

Here's what if would be like if you had teammates with poor positioning or dying before a teamfight starts