I am too very concerned as the same incident occurred on my phone. After the Airbnb icon was changed to English from Chinese, my Bing app also changed to Chinese and remains that way. This is very disturbing – and I am pretty sure this is related to the AirBnb incident!
Please let us know if there has been any hacking, compromised apps, or anything we as users should be worried about. This is concerning, and it would be reassuring to understand what steps are being taken to ensure our data's safety and what precautions we should take moving forward.