Why is that a problem? Plenty of resources are allocated to meet supply and demand. Is traveling to specific locations inherently different?
Do I as non-citizen have a right to vote in whatever country I want, just because I have an opinion on the matter being voted? Access to citizenship is also limited by descent, wealth, or your conscientiousness. It is also ‘unfair’ if you interpret this word as ‘not instantly accessible to anyone who expresses interest’.