The context is inaccurate because it is actually dual licensed so thinking about GPLv3 alone is not painting the whole picture.
> The default license throughout the repository is your choice of GPL v3.0 OR
BITWARDEN SOFTWARE DEVELOPMENT KIT LICENSE unless the header specifies another
license. Anything contained within a directory named bitwarden_license is
covered solely by the BITWARDEN SOFTWARE DEVELOPMENT KIT LICENSE.
> The default license throughout the repository is your choice of GPL v3.0 OR BITWARDEN SOFTWARE DEVELOPMENT KIT LICENSE unless the header specifies another license. Anything contained within a directory named bitwarden_license is covered solely by the BITWARDEN SOFTWARE DEVELOPMENT KIT LICENSE.