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It was hard to grasp for me until the whole segwit2x mess. Then I understood that hardforks are a feature, not a bug. It is good that a minority can split off and have their fork. We may see that happen once more in September this year.
I've spent a lot of time talking to people that tried to solve "the hardfork bug" over the years. I think that the best example must have been Terra, which was running a consensus protocol that made chain splits "impossible". The result was corruption: 14 "miners" decided the faith of that chain in a closed meeting. It died. All of it. But with Bitcoin we can always choose to not consent to a change (or not consent with the status quo) and that is actually a very interesting feature. Imagine that we'd still be having fights about block size.
I wonder if Bob has heard this rational or understands the difference. It's actually pretty common for pro-bitcoin people to not understand consensus.
He talks a lot about blockchain but I haven't heard him explain proof of work or other ways bitcoin is different from the rest of crypto.