Here’s a local paper reporting on it.

The Grindr user said on a normal day you’d encounter maybe 10 users with no profile photo, but Thursday, when he checked the app, he said he stopped counting at 50 blank profile photos.

https://www.jsonline.com/story/entertainment/2024/07/18/did-gay-dating-app-grindr-crash-during-the-rnc-in-milwaukee/74459556007/