Crypto Kitties / NFT

For those of us who were there in 2017-2018. Do you remember the crypto Kitties craze? Everyone wanted one, it drove gas through the roof and when the market crashed, so did they.

I checked this morning, and it seems that only gen 0 kitties are still worth something. They seem like early NFT to me.

Today NFTs are driving a similar craze and high gas. I know there are other factors driving eth this time, but I see some similarities telling me to be cautious.