What informs your priors? That is the core issue with practical applications of Bayesian statistics. Especially because it is a totally new parameter that peop

What informs your priors? That is the core issue with practical applications of Bayesian statistics. Especially because it is a totally new parameter that people can complain about. At best this leads to rampant bikeshedding, at worst we get prior-hacking as opposed to p-hacking.