Stop telling me what I have or haven’t heard. There’s no better way to irritate someone right off the bat.
More seriously, it's probably a good bet that most people haven't heard of McMaster Carr in general, and if they have, probably not in the context of having a smart or well designed website. So it's not a terrible article headline. And of all the click bait style headlines that could be used, it's probably the least offensive. At least they give you the name in the headline.