i'm guessing it's intended to warn that you're about to download one of the 500 apps that look like the ChatGPT app, but aren't actually the ChatGPT app.
Correct. Google's incentive is not to maximize players in the space. Their user isn't the developer; it's the person who downloads things onto an Android phone. If those users get burned too often because it's too hard to tell legitimate apps from knock-offs, they'll stop trusting the whole Play store and probably the whole phone platform (in favor of Apple instead).
Google has the numbers to know that "buyer [or in this case, downloader] beware" isn't good enough because people aren't smart enough. It sucks, but at scale it's a pattern we see over and over and over again (see also "Why does Windows force updates," "Why is Apple so paranoid about side-loading," "Why is it so hard to get an app on Apple's App Store in the first place," and "Why does Facebook log a big warning in the browser console to not paste any code in there and hit enter").
Its a nice theory but if Google actually cared about that Play Store would periodically take out the trash by prompting users to confirm they DON'T want recently installed/unused apps to be sent to /dev/null.
Google has the numbers to know that "buyer [or in this case, downloader] beware" isn't good enough because people aren't smart enough. It sucks, but at scale it's a pattern we see over and over and over again (see also "Why does Windows force updates," "Why is Apple so paranoid about side-loading," "Why is it so hard to get an app on Apple's App Store in the first place," and "Why does Facebook log a big warning in the browser console to not paste any code in there and hit enter").