A few people in the other thread assumed that it was required to fork the code to disable those filters. That’s not the case, the filters can be configured, and are off by default.
To hide the reputation system, here’s a line of CSS that admins can add in the admin area to hide it for every user
That CSS line can also be used by any user wanting to hide the score at the user level.
That’s an excellent question. Thought it was one of the check boxes but that one is just for adjusting reputation if post something from 4chan (ie thinks you’re naughty)