Here are some of the Wyze threads on this subject. June of 2018 and the problem is still here. Every time I get in my Ford Sync vehicle and my phone calls itself because of the Wyze bluetooth bug, I am reminded how unresponsive Wyze tech support has been on this long standing issue.
https://www.reddit.com/r/wyzecam/comments/8usr68/wyze_app_is_messing_with_my_blutooth/