Speaking as a non-american:
From this article I have no clue what ICE was even doing. Detaining whom? For what reason? Without this information I cannot infer whether the protest is warranted or not
I think the important thing is only that you exhale longer than you inhale. Inhaling activates SNS, exhaling PNS, the latter is for relaxation. So the more you can tilt that ratio towards exhaling while still breathing comfortably the better