@philipbull@reneehlozek It is nothing like a backreaction model. See w.g. Croker+Weiner 2019, Croker+Weiner+Farrah 2021, also Faraoni+Jaxques 2007. Completely different physical basis
@aCarlRodriguez Yes, taht's exactly the argument. At z<6 this means measurable growth on ~Gyr timescales I'm terrible with Twitter though. Could you please email me with your arguments against this? Our arguments for it are in https://t.co/l2okxiQtM2