white background with black text is pretty much the default everywhere and I think always has been, so specifying those colors is redundant (and breaks night mode, though I don't think that was a thing back when it was designed)

It's possible that it uses different rendering for the title so this is probably not a great test.

this is the Jerboa experience

Once I went into reply mode it shows the marquee markdown in this comment

Shoes as

e

to me (again on Voyager)