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Perhaps he should have just used bitcoin. :)

If everyone would have just used Bitcoin instead of starting their own cryptocurrency, Bitcoin would not be as popular as it is now. Bitcoin was and still is the middle man between FIAT and other cryptocurrencies (read: altcoins). Even if exchange services add more pairs against FIAT, Bitcoin will still be number 1 among the alternatives.

Interesting take, there may be some truth to that.

Think about the alternatives.... For example, Ethereum can only mined with GPUs... When hash rate goes up above certain level, there will not be single display adapter that can sustain the required hashing power...

Technology tends to find a way... :)

I've seen motherboards that can hold 6 display adapters, but that takes a lot more space than computer that has 6 multi-core CPUs with more hashing power....