Groupthink is defined: the practice of thinking or making decisions as a group in a way that discourages creativity or individual responsibility.
Do not conform any longer to the pattern of this world, but be transformed by the renewing of your mind. Then you will be able to test and approve what God’s will is – His good, pleasing, perfect will.
Romans 12:2
Enter through the narrow gate. For wide is the gate and broad is the road that leads to destruction, and many enter through it. But small is the gate and narrow the road that leads to life, and only a few find it. Matthew 7:13-14
There is a way that seems right to man, but in the end it leads to death.
Proverbs 16:25