How long after his passing the words "Toriyama wrote/designed/contributed" stop being belieable?

[Alruneia]

I guess it's a matter of how many projects come out more than how much time passes, right? It's both, sure, but they can technically have projects that Toriyama did personally work on saved up for years and years since not much is happening in terms of new DB content right now. Personally I'd be able to believe that an eventual next movie came from Toriyama, but only one, and probably nowhere near all of it. I also think Toyotaro would be able to credit Toriyama with the ideas behind one or two more Super manga arcs, but only the basic ideas. And since Xenoverse 3 is already on its way, I doubt I'd believe any more video games would have much Toriyama involvement. All of it would get less and less believable as time goes on for sure, but I think it'll take a few more years until we're there.