There is not consensus that the current threshold is reasonable. There are many big names arguing against that parameter in particular. See e.g. Redefine stati

There is not consensus that the current threshold is reasonable. There are many big names arguing against that parameter in particular. See e.g. Redefine statistical significance. The authors list is practically a who's who https://psyarxiv.com/mky9j https://psyarxiv.com/mky9j >One Sentence Summary: We propose to change the default P-value threshold for statistical significance for claims of new discoveries from 0.05 to 0.005.