Spike rushes should allow us to choose agents even though we have not unlocked them so that we can practice with them beforehand and can also decide if we actually want to unlock them or not

I understand his role is to defend against flankers but it doesnt seem like his abilities are super useful for that. i dont understand when and where his cages should be dropped. On attack he seems almost useless

I still have trouble holding angles in this game, I know there is a peekers advantage but I just can't seem to hold an angle consistently in this game. The players move quicker in CS:GO but for some reason it seems easier to hold angles in...