That is a sign that there is more and more strong support from them towards NFT. So Cristiano is even more putting forward NFT for better improvement in the future and that means that NFT's journey ahead is getting longer because they are needed from several sides, including now from the side of world football players.
Since it's so popping up now, then in the near future there will definitely be another breakthrough in the NFT space related to the crypto space because football stars like Cristiano Ronaldo are very influential people in terms of advertising so there will be a lot of people who are interested in NFT again in the future.