Personally, I consider that all the people who think that cryptocurrency is the future but some other coin will come steaming out of the shadows and take over is missing a very important point. The point is that because Bitcoin is wholly software it can evolve very fast, and because it has already a $1.6bn valuation there is a huge amount of vested interest in its success. So if supercoin comes along with a particular feature that is grabbing market share, then the bitcoin user-base will not sit back, they will clone this change and neutralize supercoin's advantage.
Here's something no-one tends to consider when making this point: what if the "supercoin" design is drastically different, in a way that would mean throwing away more than 30% or 50% of Bitcoin protocol design? This would make the Bitcoin faithful behave like the fiat faithful does now. "No way, how is that better money? I can think of several objections that completely miss the point of how supercoin is the new paradigm, for starters, supercoin is a tulip bubble, etc". That would cause ructions in the cryptocurrency world for sure.
