I have very similar stairs, except mine are open tred so there's no riser bit. I'm used to them now, never fell once in 10 years. Previous house with carpet on the stairs I slipped down twice in only 6 months. Mine are allowed because they were there BEFORE building regs were ever a thing. I could get a brand new stairscase that was open tred with no bannister and because it's a replacement that would be fine. But you couldn't put stairs like that into a new house, or to replace ones which previously had a bannister.
But that landing - just NOPE!!