Then if God could care that much to send Philip to the Eunuch to explain the Bible and Baptise Him, than baptism matters in christianity. I may say it is one of the ORDINANCES that Jesus left to the church.
Mathew 28:19 says: " Go ye therefore, and teach all nations, baptizing them in the name of the Father, and of the Son, and of the Holy Ghost:"
Acts 2:37-39 Now when they heard [this], they were pricked in their heart, and said unto Peter and to the rest of the apostles, Men [and] brethren, what shall we do?
ACTS 2:38
38 Then Peter said unto them, Repent, and be baptized every one of you in the name of Jesus Christ for the remission of sins, and ye shall receive the gift of the Holy Ghost.
ACTS 2:39
39 For the promise is unto you, and to your children, and to all that are afar off, [even] as many as the Lord our God shall call. says: "
Then Baptism was ordered by Jesus and the first salvation meeting that was preached by the Apostles they talked of the same baptism.
I think it matters.