So (and I welcome correction here) the logic is: An asteroid travelling at great speed would surely burn up in the atmosphere (ice ect.), therefore this asteroi

So (and I welcome correction here) the logic is: An asteroid travelling at great speed would surely burn up in the atmosphere (ice ect.), therefore this asteroid must be made of iron or stronger (a manufactured alloy). And thus Loebs conclusion that since a manufactured alloy must have been made by someone somewhere, it's worth a look?