There has been some recent media chatter about the Timescape theory, because of this new paper:
https://academic.oup.com/mnrasl/article/537/1/L55/7926647

News coverage:
https://theconversation.com/huge-if-true-dark-energy-doesnt-exist-claims-new-study-on-supernovas-246674
https://www.thequantumcat.space/p/the-week-in-space-and-physics-timescapes
https://www.youtube.com/watch?v=xoDPPuhASGw

By 2030, will a majority of cosmologists assign more than a 30% credence to a Timescape style theory?

By Timescape style, I mean:
- Rejecting the cosmological constant or dark energy
- Rejecting the cosmological principle

It should be pretty clear but if not I'll try to email some people, and for good beasure I won't bet on this market