Where do I begin. Okay, the learning thing. You don't learn a thing. You do your job, learn that you made mistakes, but no explanations, just content changed and you're done for the day. They won't hire people to share the workload with you, if your team mate has left. If you can handle your own and theirs, great, do it.
Without leaving too many details, when I asked for a 4 day leave to go to my hometown for my grandfathers funeral, they didn't even pass their condolences but "can you take 3 days off instead, there's lots of work piling" was the first reply. Knew I had to leave that place then and there. Unwelcoming people. HR is the most double faced person ever. Thinks she's being diplomatic but she's actually just being a corporate bully. Worked the entire year during the pandemic on my personal.laptop. Didn't compensate for my travel during COVID because I lived close by?