Why no progress with iPad and Diablo Immortal issues?

I recently purchased an iPad 9th gen due to my older iPad Pro 9.7 crashing constantly. Unfortunately, I’ve come to learn that these iPad 9th gens are notorious for in-game crashes. Multiple attempts at repairing client and clean reinstalls appear to have no effect. I do not use a vpn nor do I have power saving mode enabled, and these crashes appear to be getting progressively worse. I’ve contacted Blizzard support, who is pointing at Apple and vice versa. This is getting ridiculous. Apple should either work with Blizzard to rectify this very common issue or remove the app from the App Store if neither is willing to support it.