I gotta wonder to what extend they did any testing, with problems as massive as these. Couldn't things like this be easily avoided by giving a good sample group of testers with mixed machines access and seeing how the game performs? Even more so for the PS4 version, there's no excuse for having...
So while the GPU crashes were fixed by reinstalling Nvidia drivers I now get this one everytime the bus with guys who were tailing you opens (after "The Rescue"):
Error reason: Assert
Expression: <Unknown>
Message: Out of Memory! Failed to allocate 5592432 bytes with alignment 16 from pool...
He's right though. Valhalla is a playable, enjoyable game. The fact that it also contains microtransactions doesn't deter from that, you can play it and not use them at all.
Doesn't mean microtransactions aren't a shitty practice but including them doesn't automatically make the game bad.