Failing at completing the content is one thing, as you can try again and correct any problems. However if you find that you're consistently out of Heavy ammunition, and waiting for a super because you popped yours, that means that other people are not using heavy or supers.
You can make an easy correction here. One of the best ways to deal with non participation, is to get everyone on the same page by waiting for supers and heavy synths to be available. Remind everyone to take part in killing adds quickly and efficiently. If it does not change after an intermission, I promise you that it will never improve with the group you are playing with.
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Not fully true. Supers are used at different times and depending on the super. Also those who do use it and depending on orbs dropped some may get their super back immediately but a few may not be around to collect orbs. Take crota and have a hunter tether and a hunter golden gun. Titan bubble and say a stormcaller. Tether used as the door drops to great orbs. Then all run out in main room titan bubble on balcony and bubble on rocks. Then say storm caller bottom to kill ads/knight. The tether may have the super built at this time but oops someone messed up and all wipe. Golden gun not used since wasn't Used. Just an example in the flaw of you team not working thought.