“Enrolled PCs will continue to receive Critical and Important security updates for Windows 10; however, new features, bug fixes, and technical support will no longer be available from Microsoft,” explains Yusuf Mehdi, executive vice president and consumer chief marketing officer at Microsoft.
You have to be a really, really big company with an established connection with Microsoft to actually talk to the real engineers. Any tier of regular support only gets you the "sfc and clean boot" garbage.