I mean she's not exactly wrong. While Reda cutting the cost of healing may seem good at first the fact he's cutting it so low might result in severe reduction of healers in the future and if he;s not around it fcould result in more people not being able to be healed in an emergency.
I do think...
The childhood friend leaving him actually makes sense. In world he doesnt have any value at that level 1 level cap. He can probably grow more skilled but he aint getting stronger. If it wasnt for main protag bullshit he wouldnt have much value as an adventure. He would have been holding her back