When I use the forward facing camera on my new S10E to make Videos which I need to do for work. Why does it leave all my imagery reversed? All words are backwards and left is right Etc.
I don't know the answer because I don't own that phone, but I can tell you that you're not alone. Look at selfies sometime and you'll see it is a rampant problem, apparently because manufacturers think people like looking at reversed images.
Check the camera settings. Some camera apps support the option to correct the mirrored image during the save to storage.
(The reversal is done in for the screen so that framing is easier.)
Btw, if your camera app doesn't give you an option to correct the image automatically, you can try third party camera apps. Otherwise you could try this editor. It has a batch edit function so you can select all of the selfies and mirror them in one shot.