Here is a crazy conspiracy theory: maybe they are both legit and MS used shady-looking e-mail addresses on purpose. Security-minded people will look at them and

Here is a crazy conspiracy theory: maybe they are both legit and MS used shady-looking e-mail addresses on purpose. Security-minded people will look at them and call them out, thus bringing to light how shitty the Chrome Extension store vetting process is, undermining Google Chrome's credibility in the process, so that users stay on MS Edge.