Your assertion seems to be that those things haven't had massive productivity gains over time. Cleary they have. Firefighters aren't carrying buckets of water or using a horse-and-cart. No, they use fire engines, helicopters and planes. They use more advanced fire suppressants and protective gear.
Medical professionals have better diagnostics, health records, MRIs and other imaging equipment and so on. The medical profession is pretty much a perfect example of my point, actually. Do we train more doctors (per-capita) or just expect existing doctors to work more hours? There are a whole bunch of vested interests in constraining doctor supply.
Likewise, resident physicians are incredibly profitable for hospitals because they create a lot of value and cost nothing. You see this where various parties are trying to increase emergency medicine residencies from 3 to 4 years.
Hospitals hate fully-qualified attending physicians because they can't artificially suppress their salaries. It's why we've gotten things like Nurse Practioners, Physician's Assistants, CRNAs, etc. It's also why, for example, you see a case like in Oregon where private equity is trying to destroy physician organization. I'm of course talking about Peace Health and ApolloMD, a case in Oregon recently.
We also make medical people spend a bunch of time dealing with insurance BS, for literally no reason.
This isn't just a BS "corporate job" thing.