It’s not an illusion, it’s a simulacrum. It’s a material copy of the real thing so he totally actually ate your food even though he totally didn’t need to.
Wolves who are “pets*” are also absolutely manic in comparison to normal dogs. Our lifestyle just drives everything to mindless activity to get it out.
(*: A wolf is not a pet even when they are very cute)
There’s a video about how the delayed choice experiment is compatible with existing quantum physics and doesn’t require further weirdness like retrocausality to explain.