All NFT are different. A lot of depends how useful they are and for what purpose they are used.
Now appear whole Metaverses with many games that use NFT like this https://twitter.com/kusunokitoken/status/1500595135733956609
In such case NFT are useful.
Not all NFT collections are peopular. For NFT collection it is very important to promote collection to make it famouse.
Only famous collections attract users.
For NFT collection is very important to attract attention of users. The more attention the more popularity. More people want to buy such collection and it is in demand.
Many people earn money on the growth of NFTs which are increasing in price even more than other tokens and coins.