Diablo Immortal's in-game store is a problem — here's how Blizzard could fix it

I really like a lot about Diablo Immortal. I'm enjoying leveling up, seeing the story, the character customization options (with many, many sliders),  and

Blizzard responds to Diablo Immortal bug stopping purchases

Blizzard's 'Diablo: Immortal' Announcement Did Not Go Well