What? Just say no when prompted by the dialog. It then says they are considering other options and asks you which you'd prefer. There is no lying involved.
Edit: To clarify, I'm not saying Youtube's dialog is a good thing. I'm just saying there is no lying involved and it's rather trivial (albeit annoying) to dismiss it without having to lie or use your real name.
Edit: To clarify, I'm not saying Youtube's dialog is a good thing. I'm just saying there is no lying involved and it's rather trivial (albeit annoying) to dismiss it without having to lie or use your real name.