Google Chrome's extension ecosystem is undoubtably far, far ahead of what Safari has. As for usability, and…
> I found Google Chrome to be more performant than Safari on the regular
People use Safari because it integrates so well with macOS, is performant, and doesn't kill resources (CPU, RAM, battery, you name it). No other browser comes close, even on other platforms. Apple's just spent too much time here optimizing their browser that nobody else can match it (maybe Edge on Windows?).
> There are MANY good terminal clients for Linux.
iTerm just has everything and the kitchen sink. Like, it has some flaws, but it just does so many things that I haven't seen any other emulator do. Plus the author is really smart (he's at the top of the comments currently, if you want to check his stuff out)
> Xcode
Xcode can be surprisingly nice for C/C++ development, when it decides it wants to work.