Files can have metadata that can be hard to remove because you may not know what files have what data and you may not know how to remove the metadata. If anonymity is that important, get a cheap camera that you will toss in the trash. Do not give that device any information, date, Wi-Fi, names, etc. Display the video on one device, record it with the disposable device. Go to a public Wi-Fi (restaurant, hotel, etc) Make a new email account. Make a new bitchute account (or other video platform) using the email that was just created. Upload the video. Never use those accounts again. Throw out the camera.