- Motivation for owning non KYC coins? Well it is obvious that you do not want your masters to know how you own or they will steal you, if not just look how the US gouv seiezd all citizens gold with "Executive Order 6102", those who were not "KYC" could not be seized.
- Advantages in the future? You can︀ just freely escape with your corn and you are also safe from KYC hacks, if︁ some exchanges get hacked all your information will be stolen, address, how much did you︂ buy etc and that could put you in danger. Disadvantages? If you live in a︃ place with draconian laws and you need to do a big purchase it may be︄ more difficult to prove were those funds come from.
-Premium rate? not need to be︅ premium rate, in many P2P exchanges you can get the market price, just put an︆ offer and you may be surprised how fast is taken.