Sharing resources, just because it is not essential for life, doesn't mean that you shouldn't let other your new neighbor use it, students obviously need the internet. It is probably the least expensive and troubling resource to share, but not when YOU have to share yours.
And it is according to some orgs:
http://gizmodo.com/internet-access-is-now-a-basic-human-right-1783081865
And after all, even if you don't subscribe to the idea of sharing resources at no cost, cutting off the neighbors is going to create a negative environment where people are going to be less mindful of others when it comes to information, loud music, parking, smoking, leaving trash etc.