You can have that without a sign up.

>legally required in most US states

Funny how other sites can do this with a birthday dropdown, an IP address, and a checkbox.

>We have a sign-up because we ensure users accept our terms of service and acceptable use policy before creating their first video

So your company would have no problem going on record saying that they will never email you for any reason, including marketing, and your email will never be shared or sold even in the event of a merger or acquisition? Because this is the problem people have with sign-up ... and the main reason most start-ups want it.

I am not necessarily for or against required sign-ups, but I do understand people that are adamantly against them.

99% of visitors will just hit the back button.

Do you realize that this or similar technology will eventually end in every computer really soon? By building walls, you're essentially asking your potential users to go elsewhere. You should be as open as possible now that there is still room and time for competition.

Interesting! Are you saying you would first want tools to really design your character, and only after start making videos with the character you built? That's interesting.