I do not see the point of this post. Yes, you outline some cons and pros, but is that what really matters?
For me, what matters is if it has legality and if it is readily accepted by everyone. But for now, those are not yet true in bitcoin.
I agree. Op is clearly trying to prove how Bitcoin is better than FIAT and gold in different aspects and I feel he is right in some ways and wrong in other ways.
Mainstream adoption is what primarily matters at the end of the day.
Bitcoin won't replace FIAT or gold, but is meant to serve as an alternate payment solution IMHO.