I think you said it best with this.... "Value itself is illusory, invisible and intangible, yet it actually exists." .... I can compare that to the "skins" or "add-ons" that gamers are buying for their video games.... because it is not something that you can touch, but it is a creation of someone in a virtual world, that has value.
We have seen people buying virtual "Land" in a virtual world for thousands of Dollars in online worlds, but a lot of people cannot see how a "virtual" Crypto token can have value.... absurd, if you think about it in that way.

Yes, "Value itself is illusory, invisible and intangible, yet it actually exists."Although we cannot see value, we can clearly feel the existence of value. In other words, to some extent, our lives come into this world, many times to create value. When we can create enough value, we will feel that our lives will be very meaningful.