The original idea of EA was to convince students to take "immoral" but good paying jobs on Wallstreet in order to donate the earned money to charities (Mainly charities owned by other effective altruists).
EA is thus an excuse / incitation to commit immoral and in SBF's and his co-conspirators case illegal things.
EA is thus an excuse / incitation to commit immoral and in SBF's and his co-conspirators case illegal things.