I'd say yes or worse really. Since you enable others to get away with it and for more harm to come to victim(s).

"When the truth is replaced by silence, the silence is a lie." -- Russian poet Yevgeny Yevtushenko,

"We must always take sides. Neutrality helps the oppressor, never the victim. Silence encourages the tormentor, never the tormented." -- Elie Wiesel, Nobel Laureate and holocaust survivor.

"Bad men need nothing more to compass their ends than that good men should look on and do nothing." -- John Stuart Mill