Better to keep silent and not invite an argument.
Not according to scripture.
2 Timothy 4:2 Preach the word; be instant in season, out of season; reprove, rebuke, exhort with all longsuffering and doctrine.
1 Timothy 5:20 Them that sin rebuke before all, that others also may fear.
Titus 1:13 This testimony is true. For this reason reprove them severely so that they may be sound in the faith, 14 not paying attention to Jewish myths and commandments of men who turn away from the truth.