I doubt that not enough views would be the issue they would close an account over. Sure there's some cost to store the video but the majority of the cost that

I doubt that not enough views would be the issue they would close an account over. Sure there's some cost to store the video but the majority of the cost that YouTube bears is in views. I suspect this is will be used against accounts that have high view/subscribers but their content is such it can't/won't be monetized by YouTube.