It just may remind them, rather forcefully, of how important it is to be on the right side of the parable about the Rich Man and Lazarus.
Perhaps you should join them...?
No, braak should NOT join them in a pointless endeavor.
But those feel-gooders could read about not sounding a trumpet before giving alms as do other hypocrits, or perhaps about noisy gongs or clanging cymbals. Doing such does not help to avoid the fate of the "rich man," which is a separate lesson altogether.