Question about rule about bolding in quotes

[running_coach]

From 2018. Several mods weigh that, in their opinion, there’s no problem.

Is "Bolding mine" on a quote: required, polite, unnecessary or other?

I see “Bolding mine” when bolding a quoted post where there was no original bolding and in fact, I usually try to do it. Is it required because of the “don’t change quoted posts” rule or is it just considered polite? If it’s required, I need to report myself because I forgot to add it and my 5 minutes is up.

Earlier thread.

Bolding Mine

This is really more of an IMHO than a Pit, so I’ll try to increase the vitriol a bit. I hereby renounce you future Fox News contributors who quote somebody’s entire post, then bold the parts you object to because you consider them especially egregious, and then add that little self-righteous pastiche at the end, “Bolding mine.” Since you’re so intent on focusing on the few words that upset you and decided to ignore the rest of the post, you’re literally guilty of taking things out of context. …