Well your experience is not like mine but I think your surgeon is being cautious and trying to allow your body to acheive remission before making the surgical decision.
I had been in a 2.5 year flare and was pred dependent and the last drug of choice back then was 6MP. I consulted a surgeon and told him my quality of life was poor and here I am 9 years later with a jpouch and enjoying life again.
The best advice I can give you is to consult with a CR surgeon who has a lot of experience. I had to travel 2 hours to have my surgery and it was well worth it as the local CR surgeon in my town would have botched the procedure. I don't know where you live but I do recommend you visit www.j-pouch.org and get surgeon recommendations in your area.
dx proctitis in 1987
dx UC in 1991, was stable until 1998
1998 started prednisone, asacol, pentasa, nortriptylene, ativan, 6MP, rowasa enemas and suppositories, hydrocortisone enemas, tried the SCD diet, being a vegetarian, omega 3s, flax, pranic healing, yoga, acupuncture, probiotics
2000 lost all my B-12 stores and became anemic
2001 opted for j-pouch surgery- now living life med-free