WebP was released 3 years ago hence your entire premise is faulty.
The real truth is that being the best technically rarely guarantees success in the market.
The real truth is that being the best technically rarely guarantees success in the market.
Apple, Microsoft and Firefox for whatever reason (politics/principle) either won't support defacto standards or have to be dragged kicking and screaming into doing so (see SPDY). And without those three you are never going to get above 45%.