This has been my experience too. I bought a new model from LG last year, thinking the technology would have evolved enough by now to be useful. Instead it consistently gets itself stuck in the stupidest places and re-cleans the same spots repeatedly whilst completely ignoring others. In the accompanying app I can see a map of what it thinks the room looks like and it’s always wrong because the vacuum has this habit of continuing to drive into walls and recording it as forward movement in an open space instead of a wall, which completely skews the dimensions.