Sure, and that's why Zig or D are not in the any of the top 10 lists. You have to get a lot benefits to justify switching to a new default against the current

Sure, and that's why Zig or D are not in the any of the top 10 lists. You have to get a lot benefits to justify switching to a new default against the current critical mass. (and this is especially true for shells: a large number of code is written in sh because it's assumed to be installed on all users' systems; so unless so many software starts requiring "fish" that it gets into default system install, we'll be seeing sh for a long, long time)