Would Michael stalk an unattractive fat girl at all?

Michael seems to be attracted to beautiful young girls that remind him of his sister Judith, but would he stalk and murder an unattractive fat girl that happened to unknowingly come across his path on Halloween?

Laurie could have been written as a random fat girl that read books all the time and did all of her schoolwork, then had a father that was selling houses, she drops the keys off and Michael sees her and doesnt want to stalk or kill her, because she looks nasty, even if she would be a lot slower as a victim and easier to catch, and he wouldnt have an easy time carrying her fat body around and up the stairs either.

You write Linda or Annie as being fat girls too, not the kind of girls a maniac would want to stalk, kill or mess with, beautiful young girls are more tempting, fatties would scare Michael away.