Some in the media seem to think that a noble cause justifies withholding facts on the other side.
— Thomas Sowell (@ThomasSowell) November 6, 2019
This is not always the case.
Vigorous campaigning can bring about positive political or social change.
But it can at times be a case of doing something rather than doing something positive and effective and it can sometimes be doing something that does more harm than good.