clearly someone is trying to undermine the idea of bitcoin by flooding newcomers with obscure blockchains.

i mean, bitcoin advocates tend to use gold analogy, but there is only few precious metals - mostly gold, silver and platinum, and each has unique industrial uses. while there can be any number of bitcoin-like blockchains and they only differ in amount of people who invested in them, so it's theoretically unlimited... looks to me pretty unattractive.