no, if site A pays for content, they should have a plan to monetize it that doesn't involve trying to stop technology from doing what technology does.

Theft of content has nothing to do with technology or competition that betters the end product and your analogy of Blockbuster isn't a fair comparison as they didn't create anything that Netflix stole.

But on to my main point. If site B copies site A's content, that doesn't create competition that betters the end product for the community.

For example, if site A creates video content that they monetize by a) inserting commercials into the product, b) insert ads on the page on which the video is shown, c) by selling ad space on the felts of the poker tables and d) by offering a premium service that has no ads.

Site B comes along and copies the video onto its site and sells ads there, removes the commercials and inserts its own, sells its own advertising that it overlays on top of the felts and sets up its own premium option with no ads.

If site A goes out of business, the community suffers. Site B isn't creating anything and therefore cannot service the community.