Not only that, but Bitcoin script was intentionally designed to be Turing incomplete, in order to allow static analysis of time/space complexity. Ethereum was

Not only that, but Bitcoin script was intentionally designed to be Turing incomplete, in order to allow static analysis of time/space complexity. Ethereum was invented to fill the space of a blockchain with a Turing-complete scripting language, which may or may not prove to be useful in the real world (in my opinion it hasn’t yet).