exactly; in the emacs community, when somebody is chasing down a weird bug, they get asked to run emacs with the flags that disable all the startup customizatio

exactly; in the emacs community, when somebody is chasing down a weird bug, they get asked to run emacs with the flags that disable all the startup customization as the very first thing, because 90% of the time, its a problem with some interaction in the user's (byzantine) ~/.emacs.d