Yes, even if it's a descent pollster per 538, it's basically an internal, thus it's difficult to get much information out of it. We already know, that polls indicates, it's a close race.
MEDIA STATEMENT: Cygnal has polled privately in Virginia in 2021 for multiple private Republican stakeholders. The poll released was conducted at Cygnal’s expense for internal testing purposes. No clients were consulted for questions, methodology, or approach. Cygnal chose to release the results of the survey because so much has changed in Virginia since it’s last private polls.