but if you were to loose those "dumb funchional molars" located just in front of those unneeded wisdoms, I am sure you would understand why they where located there

Returning spawners biological systems as they enter the river are placing priority on producing eggs/sperm and reserving energy for travel and spawning which is a big draw on their anti-inflamatory response. If you remove their slime they have little energy to replace it. See Sparky's Law