Bro, I’ll literally be having a conversation with someone about a topic, and all of the sudden Google starts recommending me products related to the discussion afterwards. Smart phones and smart speakers without a doubt listen in on our conversations. There’s the evidence.
Download the ProtonMail apk from a trusted place such as APKMirror, and then use Revanced Manager to change the package name. Install the patched app and profit! You can do this over and over again.
They aren’t trying right now because they’re running tests. I’m assuming they’re testing what does and doesn’t work. They probably wanted us to find workarounds so they could patch them when they decide to actually roll out the anti-adblock feature.