Microsoft has already gone down this road some three years ago...

https://blogs.microsoft.com/blog/2023/02/07/reinventing-sear...

Also, usually, as soon as they realize they have a not-total-shit product, they immediately start to screw it up completely. So if bing ends up being better actually, it won't be long until they replace every good part of it with something ridiculous. I don't know how microsoft does it, but they are so incredibly good at that.