> What we call “consciousness” is merely a product of evolution, and also a tool shaped by evolution

> When such a system reaches a certain level of complexity, it inevitably generates the concept of “I” as a way to simplify the processing of overwhelming information.

I don't see how this is different from someone saying that a concoction of random ingredients will turn into a magic potion.

The big question is how a group of cells (or potentially something else) becomes sentient. Accepting "because it would be useful" as valid explanation would be the same as accepting Darwinism as a religion rather than science.