I always say that things exploding on the bridge for no reason after other part of the ship is hit is a deliberate feedback mechanism designed so that officers weren’t just sitting on their asses in safe place but shared the danger of the entire crew.

Also that’s why they always go to away mission (totally not because the less actors there is the better), if they just send redshirts alone some feedback mechanism would discharge phaser at them in the bridge when the redshirts died.