He doesn't want to have to disappear, to never see his friends or family again. He is going to a country which will hopefully allow him to live openly.
So you load the webpage in an iFrame?
Many websites wont let themselves be loaded into an iFrame to defend against clickjacking. For example you can't share youtube videos with this.
I find it annoying how you have to restart the tool for each individual element. Especially as you have to go through the How Does It Work screen every time. I think skipping the How Does It Work screen on subsequent pieces of feedback would be better.
What happens if the hosting server, or web server drops the file? If someone pays for a file and they find it is unreachable they will have a negative view of your service.