Earlier quoted context omitted.
No. A license to copyrighted code does not confer the same privileges as holding copyright to that code. Public domain is closer to “equally entitled”.
An open source license, by definition, entitles the recipient to commercial use. https://xkcd.com/1731/
But not any commercial use, only that which is covered by the license.
Whereas the copyright holder has broader rights.
So a licensed user is not “equally entitled”.