The more people use NFT the more demand in it. The price of NFT depends on demand in it. But to buy NFT users must be sure that their price in the future will rise.
Not all NFT grow in price. Many NFT collections are overvallued now.
That is why now many investors are looking for new and prospective collections.
But a lot depens how actively these collections will develop and how popular they will become in the future.