Not sure if that's what you meant: In Germany, e.g. acupuncture (and other specific types of homeopathic treatments) are reimbursed by public health insurance, for specific conditions. Exactly because they can induce a significant beneficial placebo effect on average while having less risks, and being cost effective.
BTW, depending a bit on jurisdiction, placebos are routinely given even in hospital care. If you have family/friends who are doctors, do ask them.
On top of that, it puts the state in a weird situation because it has to decide which beliefs are OK (acupuncture fixes fibromyalgy is an OK belief -> reimbursed) and which one aren't (getting a PS5 fixes depression is not and OK belief -> not reimbursed).
People are absolutely entitled to have their own beliefs, but if a treatment hasn't shown any efficacy, we should aim for a close to 0 spending of the public health sector on it.
I feel that creating a state controlled millilitre water bottling company would make some placebo available at virtually no cost, so could be a nice way of offering some effectiveness for free, but acupuncture isn't.
If acupuncture does not beat placebo, lets direct people to homeopathy instead - which basically means drinking water - to get the exact same placebo results. There are less risks associated with drinking water than being stabbed with needles, dirty or not. We could even have those cost fully covered by the state, few millilitres of water won't bankrupt anyone.