Art investments has existed long before technology even exist. People are making a great increase in their assets through art investment. Back in the day, people would purchase physical art with a great number of cash and they will get fantastic return rate of investment in the future.
Along with the advancement of technology, now we have digital arts. People can try just copy images from the internet for free, so why do we need NFTs?
In the real world, a famous brand / piece of art will be sell with a fantastic price due to its authenticity. Yes, there will be a lot of merchants that try to mimic the brand/ art and sell it cheaper, but the quality will not be the same. Meong believe that we all know and very familiar with this :)
Nowadays, people are trying to convert from traditional to technology. People are trying to digitalize almost everything. If in the past, people can get fantastic return through physical arts that is so hard to tell if it is the real one or not. Imagine how much return of investment that you will get when more and more people realize that they can just purchase digital arts with legit proof of authenticity.