If others sing your praises, then you’re golden. To this day, I despise performance reviews and dread them every year and yet, every year they’re glowing reviews from my peers.
Being high-functioning often means you’re blind to your own contributions and more critical of your own work than others perceive. In time, I learned to accept the praise from others and blindly trust that things are ok even when every fiber of my being says I’m fucking up.
Sounds like you need validation more than anything. The points are bullshit if they don’t reflect the effort. Unfortunately, the corporate world is full of bullshit metrics to gauge productivity. I felt this at the bottom and nothing changed moving into “senior leadership”. It’s all bullshit and I encourage everyone to collect a paycheck and just go home.
Speaking as a designer, it’s important to separate the style/trend of a UI from its function. I think what you’re looking for is actually UX design.
As a discipline, User Experience uses evidence-based research to understand how and why users behave they do. This leads to specific design patterns and principles that underlie all the good UI design seen from the giants like Apple, Google, Microsoft, etc. It gives you the language to evaluate designs. This is the foundation of your UI and the rest is just style — fonts, colors, imagery and icons which is subjective and less important. I lost ambition to be a trendy UI designer, so every design looks the same, but usability will shines through. Clean, simple and accessible is timeless.
Study the articles from nngroup.com. They pretty much established the field of UX Design, with content talking about user behavior in the 1990s. https://lawsofux.com is a more attractive and consumable option, also heavily influenced by NN Group. Finally, accessible design is good design for all, not just those with disabilities. Understand the guidelines set by the W3C for accessibility, like minimum font sizes or contrast ratios for colors.