That's my impression as well. 2e, for instance, has way more rules complexity despite having fewer knobs and dials for characters. Everything has different, incompatible systems, assumptions, and procedures, plus tables tables everywhere. To me, personally, this feels like pointless complexity. But YMMV.
5e has (relatively) more content, but that content is simpler to apply and more modular (you can cut out or add selective races, classes, feats, and spells without breaking anything in particular).