Hello Alrighty. I completely get where you are coming from and YANBU to feel like you do. I'm a no. 63 on that gallery and measure the same as you. Nothing fits me properly. To make things worse, I'm also broad shouldered. Jackets and tops sag. High necks look great until I realise that my stomach sticks out further than my boobs.
I think many people on here, as nice as they are trying to be, really do. not. get. it. As women we are surrounded by images of beautiful lingerie. I try not to look at them because nothing would fit me. Trying the new measuring technique has put me from a 36AAA to a 30C, but I still can't find any bras that fit properly. They are still all too big. Half cup is slightly better, but still sags. When I was a skinny size 8 pre-children, I had some lovely French half cup bras that fitted ok (although technically the wrong size), and they really made a difference to how I felt.
Would I wear padded/silcone gel bras? Over my dead body. I can't stand them. I want to be accepted for being myself, and I'd feel really self conscious with a 'false' bra. Plus they are uncomfortable and just slide around (because of course the bra is still too big). Personally I wouldn't want to be sliced open for a boob job, but I'd never judge anyone who decided that was the option for them.
Several of my friends are also flat chested, so we are definitely not alone. Some do not bother wearing bras at all, some wear bras that are too big. I think the trick is to focus on other areas and personality. The way I look at it is everyone has something that isn't how we would like it. Start looking at other women and spot the flat chested ones. What are they wearing, how do you think they look?
How do you feel about the rest of your body?