"The worry is that WEI could potentially be used to disallow ad blocking, to block certain browsers, to limit web scraping (still largely legal, though often disallowed under websites' terms-of-service), to exclude software for downloading YouTube videos or other content, and impose other limitations on otherwise lawful web activities."
WEI gives too much control to browser-making big tech companies.
Should browser-making big tech companies get to control your computer more than they already do?