The bank's IT exec probably read an article or a blog post written by some Google guy spreading FUD. Google decided the non-Google versions of Android needed to die a few years ago when they hired an engineer in from Motorola (Lenovo). Getting rid of these third party high-security OSs has always been a priority among those in charge in mainland china.

The common issue is larger companies are staffed almost exclusively by mid-wit trendies who don't really know much about anything they manage on a detailed level. The better people learn quickly they need to go to a smaller companies or start their own or maybe go become a Park Ranger. This applies to Google just as much to banks with stupid names that aren't real words. When the founders leave, that's usually the last flight out of a formerly good company before the bureaucrats take power.