We're all feeling your frustration and you did make me laugh describing us as a "crappy club". Yep, none of us want to be a member. I know it's hard to feel grateful but most of us envy you because for us the itching and pain is the worst part.
Usually those of us that benefit from cilantro see positive results starting within the first few weeks, so as you are realizing cilantro may not be helping you.
Your diet is a classic anti-inflammation diet; couldn't be better. Cutting out processed sugar, limiting natural sugar and limiting gluten made a dramatic difference in my internal inflammation for ACD and although cilantro turned the corner for me I had also been on an anti-inflammation diet similar to yours for about 4 months when I started the cilantro so perhaps cutting out these foods also helped put me in remission.
Right now I am on my longest GD free period ever and the only thing I do is to splash Witch Hazel on torso, front and back after showering and toweling off.
I'm back to all my outdoor sweating activities.
Will it return for me, no doubt about it, just as for you- you will have better days ahead. Keep researching and sharing with us.
Unless you have had the 5 Day Extended Patch Test to determine if you have Allergic Contact Dermatitis, ACD, (which I developed at age 50) you should especially avoid B of P as it is the most common fragrance allergen.