They're still pretty close imho. There's still only one type of spaghetti, one type of wheat flour, etc. Some other articles are more diversified now (cheaper and more expensive olive oil, but all store brand, same with milk, of which there is now {skim, full-fat, fancier full-fat} x {non-organic, organic} iirc) and they've added some brand foods, especially sweets (Aldi Nord may be different, I'm in Aldi Süd territory). But it's still much more pleasant to shop there than at regular supermarkets, which have music and advertisements playing and way too many practically identical articles. I don't need twelve brands of yellow mustard.