Yes? That's precisely the argument the parent poster was making -- technology (both computing and cryptocurrency and everything else) comes with both upsides an

Yes? That's precisely the argument the parent poster was making -- technology (both computing and cryptocurrency and everything else) comes with both upsides and downsides. In the case of general purpose computing, the upsides are obvious and massive. Whereas it's much, much less clear that the upsides of cryptocurrencies outweigh their downsides.