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.
Every day new NFT collections appear. NFT are actively promoting, many famous persons and big companies create their own NFT.
That is why NFT very popular and allow people to earn money.