No. I think the idea that every event that could have multiple outcomes, no matter how minor generates a dedicated full universe from each choice is silly. I do not think there are timelines in that sense, only time. I do think there probably is something in the idea that the observed linear nature of time from past to future is just an idiosyncrasy of our type of life. So it is possible to be informed by other times because they are only separate from a particular point of view.

I believe that might be slightly relegated in favour of the more colourful ‘show time’.