This reminds me of the famously stupid Isaac Newton. His laws were wrong. It is basically impossible to send a satellite to Mars, operate a nuclear power plant or even use GPS on a smartphone with Newtonian physics. Luckily Einstein came along and gave us formulae that work for these purposes.
Crypto is working for payments, securitisation, wealth storage, proof of identity, programmable money, etc. Faster than BTC. More programmable than BTC. More environmentally friendly than BTC. Nakamoto's discovery was important and his/her legacy will remain important. Also, just like Newtonian Physics, many of us still make use Bitcoin on a day to day︀ basis.
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<edit> OK, maybe GPS or maybe not, it seems controversial. But the︂ other stuff.... </edit>