It's all just a matter of cost x profit. If supporting those 7% doesn't make up for the the cost of supporting them, then it doesn't make sense to support them.

It's all just a matter of cost x profit. If supporting those 7% doesn't make up for the the cost of supporting them, then it doesn't make sense to support them. However, if supporting them is worth more than the cost to do so, then it'd be silly not to.