Here's my story and I'm sure it is similar to millions of others.
Went to SW, lost a ton of weight and got to target, decided I could 'manage alone'
Gained all the weight back plus several stone more.
Went back, found the losses slower and harder, left after dropping about 2 stone.
Gained that back and more.
Went again, started going crazy and making cakes from wheatabix and the eating the whole lot because 'syn free' ffs. My sister was also going and became mentally and physically unwell because she was obsessed with how many syns things had and if she could squeeze in 'body magic' when she was ill.
Then I realised that I was 30, I didn't want to hate myself everytime I 'cheated' and ate a proper cake so left and vowed never to do it again.
I'm not going to lie, I'm still very overweight, I have gone through this cycle with WW, low carb etc etc, I tried RH but for whatever reason I just can't stick to anything, weighing and logging everyday makes me mentally unstable and obsessive so I need to fix that first. I am going to counselling and then will revisit.
All pod membership groups like SW rely on people regaining weight and coming back.