1. In every field in the real world, early adopters SHOULD have advantages.
2. Early adopters MUST keep their BTC forever to REALIZE alleged advantages. However, it's hard to do so, just as it's hard to keep stocks of Mircosoft more than 20 years.
3. If you participate bitcoin community right now, when no more than 1/3 of total BTC distributed, then you ARE one of early adopters, but do you think you have HUGE advantage than followers?
4. Could you find out a way to distribute BTC "fairer" then current system?
Your bitcoin get stolen, you sold your bitcoin, bitcoin didn't really works out, the business you started eats your wallet.dat, etc.