The answer is mental illness brought on by ➛ Godless atheism ➛ socialist ideology ➛ un American globalist ambitions
Common sense is a gift from God which is abandoned as people turn from Him. (Atheism's foundation is a denial of basic Truth).
This opens the door for Satan to twist the minds of such people to the point where irrationality becomes normal to them.
The baptism referred to here is immersion into Christ Jesus Joh 15:7.
It is not enough just to believe that Jesus is the Christ. We must immerse ourselves in Him Joh 17:21 being Baptized In The Name Of Jesus Christ. How do we do that? ➛ absorb the Word ➛ Spirit Baptism ➛ have the Mind Of Christ
As to Water Baptism, it is public evidence of faith in Christ. It is not evidence to the Lord as He knows the heart of man.
Paul makes it clear that Spirit Salvation is a result of Heart Faith in Christ Jesus and oral confession that Jesus is the resurrected Christ in Rom 10:9,10.
Public Confession of Christ confirms our salvation to ourselves and those to whom we witness. It is a precursor to lifelong sharing of the Testimony Of Jesus Christ.
The above verses speak of being damned which applies to this life as well as the judgment. Irrationality is an aspect of damnation.