Everyone started believing in their own lies that they were something very special, that's pretty much it. The internet it is then.
I don’t think that is necessarily true. I do think there is truth to the fact that due to cost of creating new projects and the risk involved, is why they now continually recycle older content, as it is saFe.
It is also easier for marketing companies to advertise and build hype for an existing brand.
It is called sequel-itis. It is why gaming is all sequels nowadays mostly.