> I still don't understand how this myth that they wrote Edge from scratch even came to be.
Because people confuse Microsoft marketing fluff with reality?
"Microsoft Edge is built from the ground up to improve productivity, to be more secure, and to correctly, quickly and reliably render Web pages. While Microsoft Edge is the default browser for Windows 10 and is the best fit for most users, some enterprise customers have line-of-business applications built specifically for older Web technologies, which require Internet Explorer 11." [0]
"We designed Microsoft Edge from the ground up to prioritize power efficiency and deliver more battery life" [1]
"Microsoft Edge is designed from the ground up to provide a modern, interoperable, and secure browsing experience"[2]
Some of the sources used in this article are not at all of the quality I have come to expect from the NY Times. Sources like the Daily Mail and "www.searchautoparts.com".