Just like most financial instruments, Bitcoin rewards the rich and the speculative. If someone got it early, and Bitcoin makes it, they're gonna be rich! Also, if you can afford to buy the equipment it takes to mine nowadays, you can scoop up some strong ROI as well.
We can do better.
What if coins were mined when any human did one small piece of digital work? You might think of it as a global minimum wage. ...
I smell the rotten miasma of socialism. No thanks! Socialists' call for more equality are in all cases born out of primitive envy and greed targeted at those people who are successful innovators or entrepreneurs. Socialists want a free ride with no risk or effort involved. They are parasitic in nature and try to degrade freedom and self-empowerment.
Bitcoin rewards the intelligent and courageous. It can't be more fair than that.