I didn’t watch but based on the GN video, It’s not about protecting anyone. The reason is to tie your account to a real name to monetize it better. They are likely near an IPO or looking for acquisition. In the latter case, that means any “promises” are null and void.
https://media4.giphy.com/media/v1.Y2lkPTZjMDliOTUycDY4cHVlZjNhZTlnbHZwOGgwZTNodHAyZzFpeWxxamk4Z2VscGFyZyZlcD12MV9pbnRlcm5hbF9naWZfYnlfaWQmY3Q9Zw/7JgYv9FobG1HzAO8BA/giphy.gif