There are almost certainly more MIPS chips in the world than x86.
Saying "you can have big-endian in your ISA, but we won't be supporting it" is very different from railing on about the ISA having big-endian at all.
Saying "you can have big-endian in your ISA, but we won't be supporting it" is very different from railing on about the ISA having big-endian at all.