I like the point where the slackers would be forced to work with other slackers because for some of them, this is the only way to motivate them to build a sense

I like the point where the slackers would be forced to work with other slackers because for some of them, this is the only way to motivate them to build a sense of responsibility and urgency. If they can't, then they fail and this will be a learning experience that would be very valuable for them.