Big problem with modern LEGO for me is that so many modern sets are almost all teensy-tiny pieces, so they look good on the box—the adult-aimed ones have always been like this since they started targeting that market, but now it’s like 95% of all their sets; also, they seem to hate exposed nubs, which is silly if the set is for play.

Larger (like tall 6x2) bricks are uncommon outside buckets, and a lot of larger pieces like dedicated wall-sections or big vehicle nose-bits or car undercarriages are now rare.

The result is that my old sets are a mix of everything from large contoured structural plates down to tiny pieces, but my kids’ bins of legos are like 98% tiny pieces. They use them less than I did, I think because it’s hard to sort through the loose pieces when they’re mostly very small, and with less variety there aren’t as many large pieces to use as jumping-off points to start a build, and making, say, a house-height wall or the front of a space ship is slower than when we had more bricks that could kinda short-hand those pieces and let you skip the middle, if you will, to focus on both the big-picture and fine details. I doubt I’d have liked Lego so much if mine had looked like theirs.