The help is there but you have to be assertive, to ask for it, and to keep asking.
I was fortunate: I had a local support group run entirely by volunteers (not NCT) who kept me sane when lack of sleep was making me completely crazy.
My own experience (I BF for 18 months) was: no one can possibly warn you how hard this is over the first 12 weeks. To me it was a case of gritting my teeth and getting through the gruelling, exhausting phase. After this it was a breeze, especially when out and on the go: much easier than carting bottles everywhere and heating them.
To my mind this is the number 1 reason why breastfeeding so often fails is simply that new mums are not sufficiently warned about cluster feeding! Those phases where the baby seems latched onto you almost constantly makes us assume the baby is always hungry and this must mean we're not producing enough milk. So we top up with formula and then supply ends up sabotaged and we really don't produce enough milk.
New mums need to be warned this is a normal and necessary phase, that it's designed precisely to stimulate milk production, that it will quickly pass and has nothing to do with under-production.
I got alarmed whenever this sort of thing happened, or in the early stages where I wasn't sure DS was feeding enough. It wasn't helped by being practically on my knees with exhaustion from day and night feeding.
As long as they're gaining weight, all is fine. If DS had been losing weight that would have been a different thing entirely, and I'd have made a different feeding decision. Be guided by your baby, your body, and your HV. You can only make these decisions on the basis of the circumstances surrounding you. Yes, UK BF rates are low and we do need to explore the reasons for that. But IMO there's altogether too much angst - not to mention defensive attitudes - surrounding it.