OR Microsoft after the change she made and went through her own browsing platform at Chromium, the young Edge has significantly increased its presence. It seems, then, that the measurements make him a "dangerous" opponent and so the Google increased the warnings and scary messages to those who run it Edge.
Her service Google they can easily understand which browser you are using to visit their pages, so depending on what they find they do and appropriate. So if you are with the new one Edge and enter Chrome Web Store to find extensions that are now compatible with Edge due to the common platform Chromium, you will see a nice security warning.
So far so good. Her own Web Store and recommendation. But it is deliberately targeted at Edge, while the Google does not display this recommendation in other browsers Chromium, such as Opera and Brave.
Her warning Google does not actually affect Edge's ability to use and execute extensions Chrome with safety. You can install the extensions as usual, but they insist that security warnings could scare off novice users and keep them from Edge.
Last year, the Google had stated that it does not prevent the Microsoft Edge, but it was probably a simple diplomatic statement, like that of politicians. In recent years, the browsers battles have become more complicated as no one wants to share the market.