Charles Ellicott Commentary Exodus 23:2

"Thou shalt not follow a multitude to do evil; neither shalt thou speak in a cause to turn aside after a multitude to wrest [justice]:" — Exodus 23:2 (ASV)

You shall not follow a multitude to do evil... — It is perhaps true that the offense especially condemned is joining with a majority in an unrighteous judgment; but the words of the precept extend much further than this, and forbid our being carried away by numbers or popularity in any case. Vox populi vox Dei is a favorite maxim with many, but Scripture nowhere sanctions it. Job boasts that he did not fear a great multitude (Job 31:34).

David says that the ten thousands of the people set themselves against him round about (Psalms 3:6). The prophets had always the multitude against them. Strait is the gate, and narrow is the way, said our blessed Lord, which leadeth unto life, and few there be that find it. But wide is the gate, and broad is the way, that leadeth to destruction, and many there be which go in thereat (Matthew 7:13–14). We must be prepared to face unpopularity if we would walk in accordance with the Law of God.