Monero is the ONLY cryptocurrency where full privacy is enforced by default. No mixers, no opt-in mode, no super-nodes, no tumblers, it's all obfuscated by default. I'm very bullish on Monero long-term.
e.g. Facebook isn't perfect, but it sure obliterated MySpace.
It's true that a system doesn't have to be perfect to win, but I don't see how monero has the edge on any dimension. It's not necessarily the most secure, its not the furthest along in development, not the most user friendly, not the fastest mover, etc. The overall bullishness people have for monero is because its supposedly better in terms of privacy than its rivals. But this is dubious without the right kinds of proofs when the competition does have proofs.