How about, just don't be a piece of shit in general? The whole do onto others etc... Or just mind your own business, shit doesn't involve you.
When are you going to start following your own advice?
If someone is intent on casting a stone then nothing will stop them. Reasonable people accept reasonable explanations. Unreasonable people are tautologically unreasonable and not really worth your consideration.
Or perhaps it always meant what it means now, but people who are the butt of the offense now have the means to hold the offenders accountable.