I suspect that the 300GB figure comes as a result of (poorly) capacity planning for 1Mb/month @95th percentile per customer. If they can encourage people to sta

I suspect that the 300GB figure comes as a result of (poorly) capacity planning for 1Mb/month @95th percentile per customer. If they can encourage people to stay within that limit, they can say: we have 1000 customers originating from PoP X, so we need to provision 1Gb bandwidth to cover that.