NO, what's evil is breaking the clear commands of God to not contact the spirit realm and call on the dead. Show us from Scripture where it is commanded, where it is condoned, and where it is promised to help.
What is evil is saying that praying to God the Father isn't good enough.
What is evil is not praying according to the commands of Jesus to ask the FATHER for what we need and want.
Show us from Scripture that those whose physical bodies have died have the power to hear our prayers at all not to mention the ability to act on them and grant requests.
“call on the dead.”
Again, as Christ himself says - “God is a God not of the dead but of the living”
The saints in heaven are not dead, but alive in Christ.