For NFT market place liquidity is very important. If NFT marketplace is not popular and it does not have a lot of users it will be very difficult to sell NFT their.
Many people do not understand for what purpose NFTs are necessary and use them only for speculations. Because many people do not have an experience and NFT is a new technology and tool they lose their money on it.
Many people think that NFT is an easy way to make money. That is why NFT marketplaces was so popular. But it is not so.