Because almost everyone thinks the “internet” can’t be brought down. Not permanently, that’s true. But it can be heavily disrupted by the mechanism described above for 1-2 weeks easily. That would be disastrous for BTC blockchain. Its code is not taking into account this possibility. When yo...

Not being a dns expert, however I suspect such an attack would cripple far more than bitcoin .. banking systems, ecommerce, amazon .. would be carnage but bitcoin would recover. Interesting scenario to consider