That thoroughly misses the point. They could do both. There is zero reason to shrink the addressable market other than Apple not wanting to play with others.
I'd suggest reading http://www.catb.org/esr/writings/taoup/html/ to better understand why UNIX is the way that it is.
Just gonna leave this here. https://github.com/synacor/dtk Its filter functions are Perl, but you could do something similar with JS if you were a masochist. No need to build a new shell, though.
That thoroughly misses the point. They could do both. There is zero reason to shrink the addressable market other than Apple not wanting to play with others.
I'd suggest reading http://www.catb.org/esr/writings/taoup/html/ to better understand why UNIX is the way that it is.
Just gonna leave this here. https://github.com/synacor/dtk Its filter functions are Perl, but you could do something similar with JS if you were a masochist. No need to build a new shell, though.