I put a ticket on then the email was also sent to me if you go to the support page you can put a tock on. Hello Quizzard,
Destiny Player Support has reviewed your comments on Help Request xxxxxxx
Greetings. Thank you for submitting a Cross Save ticket for Stadia.
We are currently dealing with a tooling issue and expect it to get resolved next week. We will keep your ticket in our queue until our tools are fixed so we can assist you with your Stadia Cross Save issue.
We apologize for the inconvenience but please rest assured that your characters will remain safe even after Stadia shuts downs on January 18.
If needed, you can reply to this email to submit additional comments on your Help Request.
Thank you for contacting us,
Destiny Player Support
Oh, that. Sorry, totally forgot all about that. Yeah, that and other forms do exist but I am correct that there is no public email address for Bungie support.