The author cannot be bothered to decode such email addresses. If that is the case I probably did not want his email in the first place. Ipso facto, my filter worked.
You are EXACTLY right - we display our jobs email address this way. We figure if someone can't figure out an email address that is presented this way, then we don't want to hire them.
It's a IQ test.
If you can't figure out how to contact me from that data then you'd probably be wasting my time anyway.
Self-solving problem.