Starting point for other chains (let’s face it, the good guys lost the blocksize debate and BCH isn’t next in line, so the next best thing for NFTs is Ethereum):
You don't deserve the hate in the comments. The web pages that you link to aren't sketchy. GameStop is experimenting with NFTs. Overstock offered a digital dividend to mitigate short selling. Crypto could provide the foundation for a fairer financial system.