Earlier quoted context omitted.
"So I'd agree that the sum of all e-coins will surpass gold, but I see no reason for Bitcoin to do it alone." We could pick any number of gold-like commmodities, but like Bitcoin, gold has had a history of large expenditures to acquire it. Both are buoyed by that past. So many tokens and blockchains are coming out with incremental improvements or niche capabilities, but in the end I think consolidation of market cap…
I respectfully disagree with your conclusion. There isn't one company for internet searches and there isn't one provider for online video content. Why should there be just a handful of currencies? The natural state of a healthy ecosystem includes competition and variety.
I only mean to say a handful will capture the vast majority of market share/cap.