Weirdest thing to see in NFTs, those simple art really have its own undeniable value, and I believe on $10K ETH now. Its possible to happen but it always take time but this NFTs already made sure to be ahead of the others.
Lucky to the brilliant mind of the creator of this NFT. He can also get more exposure because of this.
Yes, NFT artwork and images are now controlled by Ethereum, such as Bored Ape, Azuki, Crypto Punk, CloneX, it is sold on Opensea using the Ethereum network with a sense of prestige being made on ethereum, Bored Ape and Crypto Punk The world's most successful NFT was made on Ethereum, so it's natural that nft other images if made on Ethereum be successful.