But beyond that, I find that a lot more stuff Just Works in Emacs. I spend my days working in Python, and both major Python modes for Emacs are miles ahead of ST's equivalents. Things like linters work as expected and there are lot more packages available for niche things. Emacs is subjectively better, even if the UI doesn't feel as platform-native as other editors.
I don't use Emacs because I'm a graybeard afraid to learn something new. I use it because I've tried every new hotness to come along and I've yet to find something as powerful, well-supported, and ubiquitous.