Those mentioning the NHS, all NHS jobs (and organisations) aren't created equal, though; I've worked for some truly awful NHS organisations/teams, and I've worked for a couple of really good ones, for the same pay. (When I say good, I mean the workloads are manageable and the management relatively approachable and sensible.) And the absolute worst places I ever worked were a) a tiny company where the management were all beyond insane in every way possible and b) HIgher Education (where the management were all beyond insane...you get the theme). Since I was always fairly honest, if tactful, in telling the management at both of those places why things were always going wrong, you can imagine how popular I was. (And yes, I did usually suggest a solution, not just complain.)
There's a huge recruitment and retention problem in my line of work (not frontline, think more education support) as well, but we've been telling the senior senior senior managers this was going to be a problem for at least 15 years and it's only now that the penny is slowly starting to drop. And I mean slowly. Give it another 2 years or so, and they might get the idea that working from home for those who can 1 or 2 days a week (or even, gasp, full time) is not a bad idea.
Sadly, it's not just the NHS where the Titanic has to sink or the building burn down before anything actually gets done about it.
There's also a lack of people wanting to go into management roles, strangely enough. They've either done what I did and already managed in previous roles and decided it's not worth the hassle and the tiny bit of extra money, or they're just not interested in the first place.
It's only now that the generation above me (sometimes called the Baby Boomers, but that oversimplifies things drastically) have felt able to retire, whether due to finances or other reasons - there's a whole cohort finally going, all together. My generation, mostly, just isn't interested any more, thanks; we're quite keen on work-life balance, in general.
This lack of interest in senior roles does mean, though, that occasionally much, much younger people, often without much experience at all, are now being put into really quite senior roles. And that can bring its own difficulties, both for the managers themselves, and for the people/departments being managed.
It's all so geography related as well - unemployment rates in the north east of England, where I grew up, are still really high; where I've lived in between then and now, mainly in the south of England (though different parts), there are "Help Wanted" signs pretty much everywhere I look at the minute...