Can't leave report for delisted game

[Hoff16]

Most delisted games I can still leave a report for by manually finding the page and navigating to it but this game in particular I can't.

Merry Snowballs
App ID: 567730
https://www.protondb.com/app/567730
https://steamdb.info/app/567730/info/

Please let me know if there is something I can do to resolve this.

Thank you!

[Hoff16]

Update: It seems that now there is no way to leave a report for any delisted game now. Having issues with:

Deadpool
https://www.protondb.com/app/224060?device=any

Skullgirls Endless Beta
https://www.protondb.com/app/208610?device=any

GRID
https://www.protondb.com/app/12750?device=any

Metro: Last Light Complete Edition
https://www.protondb.com/app/43160?device=any

Grand Theft Auto: Vice City
https://www.protondb.com/app/12240?device=any