Bible-based Protestant Christianity is at least consistent in sticking to what the Bible says. There may be disagreements about what it says on minor points but there isn't any of this making things up and changing doctrines to suit the times.
Not so much, Faith. Women wore hats and couldn't wear pants to church when I was a kid - a long time ago, but not
that long. Read this:
Mark Twain on Religion : Bible Teaching and Religious Practice