Why not build something on your spare time and try to create your own job then?
You can fund it yourself with basically any income. Of course you will never get anywhere with an attitude like the one you currently have.
It's not the skill or resources that is the problem, it's the mindset.
You confuse results I observed with my "attitude". I am trying quite a few things. I am only observing negative results. That might look like a negative attitude, it is, however, reality.
How about starting with a problem to solve? You don't need anything but a pen and paper. Gotta start somewhere.
In medical AI, you really need datasets. Of the most expensive kind, and lots of it.