This is why I'm an advocate of accepting/rejecting scientific papers based solely on methodology, with referees being given no information about the conclusions

This is why I'm an advocate of accepting/rejecting scientific papers based solely on methodology, with referees being given no information about the conclusions and with authors being forbidden from post-hoc tweaks. A million times yes. Also: no publication without the experiment's methodology and criteria for success having been registered prior to the experiment's commencement.