If used this could be seen as a precedent for letting internet carriers do this. Even if you're paying for the connection it's still their network. While this

If used this could be seen as a precedent for letting internet carriers do this. Even if you're paying for the connection it's still their network. While this is already occurs for content that is considered illegal, broadening the content it can be applied to is dangerous. They may block or throttle their competitors, or send you promotions for their products (or do the same things of their associates). Many people won't know or be able to detect that this is happening.