As the price goes up, more people will get involved and individuals will hold less coins, therefore any loss will of coins due to hardware failure etc will decrease.
Fiat currencies are not backed by anything anymore. Except for a vague promise from a central bank, which prints more currency whenever it feels like it. In that respect, but coin is very similar to fiat currencies, except for the fact that it is backed by the user community rather than a central bank.
I would agree with the fact that these threads have become a posting ground for those trying to increase their referrals, however, I haven't seen any valid question going unanswered. If you have a question, post it and I am sure one of the regular posters will answer it!