See this thread for reasoning and acceptance from contributors: https://groups.google.com/d/topic/qubes-devel/G7KzrfU0lWY/discussion "Changing qubes-core-admin license to LGPL v2.1+"
Thanks to @marmarek for the suggestion! https://github.com/QubesOS/qubes-core-admin/pull/23/files#r55930643
Required for fixing 'sys-whonix doesn't connect to Tor after system suspend'. https://github.com/QubesOS/qubes-issues/issues/1764