from the article:

Privacy is a core selling point

also from the article: mock-up picture showing WhatsApp running on the phone.

I get it that it would be running Android apps through the compatibility layer on SailfishOS, but that means it's not private. Whatsapp will know lots of things about you.

Hell yeah! But $500 is a price I'm torn on.. Not terrible, but not great

It "blocks" social media? Whether or not you actually want that, I'm not sure how they could possibly implement it in a way that isn't terrible. Jolla is outside my wheelhouse, but it's Linux isn't it? How are they stopping me from installing anything, let alone these specific things?

That actually looks like an interesting phone. I hope it delivers on its promises.

I'd trade all the WhatsApp, etc for a mobile hotspot. I can't pre-order on principal but after this phone it's a strong runner up!

maybe i can put my nokia 7110 to rest

If it's customizable enough to allow users to remove any and all unwanted user and system apps - through ADB or otherwise - I'm all in. But if I'm stuck with a $500 phone with unremovable Big Tech affiliated apps, it goes into the trash can.

Also, in my country, electronic identification is a must have, so I hope that works too...

The Callback is completely de-Googled, but thanks to the compatibility layer, Sailfish OS can run over 99% of Android apps. That means you still have access to essentials like WhatsApp, Google Maps, Spotify, Signal, and iMessage via a third-party solution that needs temporary access to a Mac.

In other words no Android app compatibility unless you already own a Mac. Seems like a strange way to have Android .apk compatibility but I don't know the specifics of how Sailfish OS works, maybe it has other macOS dependencies.

That aside it could be interesting for people not needing anything Android related at all.