SPARC, MIPS, Alpha and others are irrelevant nowadays.
Regarding POWER, the few distros that support it, only support the little-endian variant. Ditto for ARM.
Regarding POWER, the few distros that support it, only support the little-endian variant. Ditto for ARM.
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.