It answers some of his questions at least. If Tim hasn't heard of the Red Hood, he's unlikely to have met Jason after his resurrection. It works in his favor as far as not pissing Tim off goes. He could do it. But at least Jason's fairly certain he hasn't slit Tim's throat yet, because that'd make jumping several steps up from there in a short period of time difficult.

"Fill me in. Where'd you leave off, aside from the alien invasion bit? Where's B and Nightwing an' all that fun crap? I'll fill in what you're missing." To an extent anyway.