That’s fair, but it’s ubiquitous. Search Twitter and Bluesky for official game studio and personal developer accounts. They almost always post about their sales soon after a launch. I don’t have any on hand, sorry. I do remember suckerpunch and insomniac doing so all the time.

Edit: https://en.gamegpu.com/news/igry/utechka-insomniac-raskryla-realnoe-sootnoshenie-fizicheskikh-i-tsifrovykh-prodazh-playstation

My claim would be very easily disproven if it wasn’t true