Is it healthy? I guess it depends on how healthy the ingredients in the cans are and how healthy the other ingredients are.
This. I've used no salt added canned items to make soups, that way I can control the sodium added. I also make sure they are low/no sugar added. You can use all sorts of things together with lots of different meats.
So like, one of my favorites is I'll brown breakfast sausage and then add a can of butter beans (with the liquid), a can of no salt added dark red kidney beans (drained), a can of no salt added green beans (with liquid), and a can of corn (with liquid). A little onion powder, black pepper, sometimes celery seed or diced celery (often from frozen), stuff is really good.
Another I do is I brown hamburger with onion and garlic, and a little salt. Then I add a can of no salt added diced tomatoes, a can of no salt added green beans, a can of no salt added kidney beans, and some frozen peas and carrots. I add the liquid from all the ingredients and it comes out pretty good.
Items I never use include cream of corn, canned peas, canned spinach, canned carrots, canned potatoes, and canned broccoli because I don't like any of those. If there is a canned something you don't like chances are you won't like whatever it's put in. Although there are exceptions. For instance if the canned carrots are blended with jarred fire-roasted peppers and some canned onions until it is super smooth you can cook it with some cream and that is pretty good. Same with canned squash and yams/sweet potatoes.
Canned pearl onions are really good for soups. I use canned water chestnuts and bamboo shoots with their liquid sometimes in like, brothy chicken or vegetable soups and they are really good.
I've moved away from using canned soups and stews for the most part because of our various dietary restrictions but I used to do stuff like mix a can of cream of mushroom with a can of beefy mushroom and some canned or frozen veggies, water, milk. Or cream of celery, cream of onion, canned chicken or diced rotisserie chicken, milk, and some veggies, then serve it over rice.