Wait. Now I think about it the firestick did flag Flix Vision and LiveNet TV. Said it was quarantined for being potentially harmful and asked if I wanted to remove. I didn't think anything of it because I was using others and just clicked yes. I'm going to reinstall and see if they're forcing these off or if it's just BS.
ETA: Yep. From troypoint site:
The following tutorial shows how to install Flix Vision APK on Firestick, Android TV, and other devices. IMPORTANT NOTE: Flix Vision is currently blocked on Firestick/Fire TV Devices after the latest Amazon update. If you are unable to install/use this application, we suggest using an alternative from our list of Top Movie APKs. Flix Vision
ETA2: Yep. Was able to install Flix Vision and it was immediately flagged. Firestick won't let it be used for being "potentially harmful" even though it's my firestick that I should be able to determine if I want to harm it or not.
This could be a big deal if this spreads throughout all the popular APKs for streaming. Troypoint recommending another android box- the Onn 4K Plus as the replacement for the for the firestick. $45 at Walmart.