Beats me. Its hype is all out of proportion to its features.
Maybe this is why the creator is touting the use of libghostty, the underlying library.
It helps a bit that it's written in Zig, but its primary differentiating feature in the sea of terminal emulators is that it's created by mitchellh, who is kind of a celebrity in some circles.
He's living the hacker dream. Made a billion bucks, then went right back to writing code. People upvote because they wish they were him.