I also use black backgrounds (with LaTeX beamer, though), because I like the aesthetic, but it turns out it's not very practical. Unfortunately it often makes t

I also use black backgrounds (with LaTeX beamer, though), because I like the aesthetic, but it turns out it's not very practical. Unfortunately it often makes the text difficult to read, due to light from outside or artificial lighting; most slides have a white background which are perfectly readable in these conditions.