You are better off using an open source app like Aegis, KeepassDX, among others.

These are miui shenanigans. You can disable chrome in settings and set different browsers as default on most other Roms like oneui, stock android, realmeui, etc. Last time I used miui, I decided never again.

The relevant part which was skipped unless you check the article

Plus some upgrade discounts, but both policies will only apply to customers in India.

I guess they used the auto suggest title feature where even the original article does not mention it. It’s mentioned in the subheading.