I just had a game where my teammates wouldn’t buy after winning the first round despite me telling them to buy. Was I right to buy anyways despite my teammates or would it have been better to save in that situation?

I know, this is fairly common, but I've been playing this game off and on since the beta and I've only ever hit bronze twice, I feel as if I need to have the skill of a high bronze/low silver just to overcome the sheer amount of throwers, a...