Maths is hard? You could have calculated the potential profit/loss to the last penny. In fact you could just enter the numbers on a site that does it for you, but that is too hard too?
The software is open source with a plethora of devs working on it, it's not hard to research the 'trust' element if you can't review the code yourself.
Even if you dislike bitcoin it has been immensely useful in so many ways to test:
1. A level of security (0 hacks, not a penny lost to any technical attack vector) of an amount of money unrivaled by any institution or software.
2. A game theoretic means of implementing consensus across a trustless global network.
3. A censorship resistant form for the transmission of value.
4. An immutable ledger of transactions which is again trustless.