It doesn't show what led up to this moment, but it appears the person was indeed resisting arrest. If you are not resisting arrest, you don't need three officers to pin you to the ground.
When I worked off of 16th street, years ago, many of those homeless people had jobs with the Denver VOICE, selling newspapers. I even bought a few. Are they still around?
I'm black, and I can ignore Adams' "overt racism", because I understood the context of his words, and I can empathize with him. Please don't speak for an entire group of people.
A traditional forum/message board is much better for archiving that fruitful technical knowledge. How many of us have found answers to a problem thanks to a forum post from 10 or 20 years ago?
I've never liked Slack/Discord for anything other than instant messaging, and always thought of it as ephemeral. If it's anything of significant importance, it should be documented in a place that is meant, by design, for documentation.
https://pmc.ncbi.nlm.nih.gov/articles/PMC9143438/