Probably thought it would be easier to write a converter than figure out how to change their code without breaking it. That's my guess. Wouldn't have even been a problem if Intel/AMD had chosen the best endianness. ;)
I love how OpenBSD is consistent about using Comic Sans in their material.
They clearly haven't lost their sense of humour despite working with this terrible material. Lesser men would turn cynical over half the things they have to endure :)
[1]: https://www.youtube.com/watch?v=GnBbhXBDmwU