First off, God destroying wicked, evil people in the Flood and Israelite conquest was so that His people wouldn't be tempted to sin. After Jesus, the killing wasn't needed anymore because anyone could now accept forgiveness from God.
Second, the Bible highly esteemed women. A few women were the first to know about Jesus' resurrection. In ancient Jewish custom, women were considered unreliable witnesses, so the fact that He specifically chose women as witnesses to His resurrection is astonishing. Also, the Bible later states that wives are equal partners