Aren’t washing machines meant to do the cleaning?

I cleaned the washing machine yesterday. Not exactly the way I imagined spending my weekend, but my weekends never turn out the way I want them to. It was a strangely satisfying experience.  It was truly due for it, there was a lot of fabric softener and omo on it, and there was what I am guessing was mould in the part where you put the washing detergent in. Do normal people clean their washing machines? I would have taken before and after shots, but I’m not that organized. And you wouldn’t want to see it.