I definitely open and close my Smart Keyboard countless times a day. I am a teacher, so standard classroom environment. My bag is those typical backpack with 2 sleeves for laptop and tablet.
It’s possibly the way I handle it (faced similar issues with this roughly 1 year in as well).
JETech Magnetic Case for iPad Pro 11 Inch (2022/2021/2020/2018 Model), and iPad Air 5/4 (10.9-Inch 2022/2020), Support Pencil 2nd Gen Charging, Magnetic Attachment (Black)
amzn.asia
Let’s see how my Smart Folio fares. Maybe I should sign up for AppleCare…