Hi,
I do experiment the same issue.
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$ guix describe
Generation 56 Nov 19 2019 12:52:57 (current)
guix 7b40d59
repository URL: https://git.savannah.gnu.org/git/guix.git
branch: master
commit: 7b40d59114e1462d6d8140f325a66b12e91db667
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--8<---------------cut here---------------end--------------->8---
$ ls -l `which emacs`
lrwxrwxrwx 2 root root 64 Jan 1 1970
/home/simon/.guix-profile/bin/emacs ->
/gnu/store/vb0ia0qnkc92yp771hxhcp8k6ywqymkk-emacs-26.3/bin/emacs
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Then "emacs -Q" works fine.
However "emacs -q" does not.
All the best,
simon