> ...how many folks take issue with messaging people who might be interested and also do exactly what you're doing. ... Consumers are bombarded with messages every day, they're good at ignoring things they don't want. ...
That's the same logic used by advertisers to plaster every square inch of the world with ads. Yet how many people here on HN use spam filters on their mail, ad-blockers in their browsers and commercial-skipping functions on their DVRs? Are we, as job seekers going to want to run the gauntlet of whatever HR devises that's the equivalent of those things if your technique becomes common?
Perhaps your method works, perhaps it's not against any rules, but I have to say that find it to be morally dubious at best. I sincerely hope that it does not see wide adoption.