It's not just being trained longer, that in itself isn't too much of a worry, but rather the issue is that they aren't very good even after retraining, object d

It's not just being trained longer, that in itself isn't too much of a worry, but rather the issue is that they aren't very good even after retraining, object detection accuracy is essentially the cost of extreme quantization. For example, see Deephi's presentation at HotChips.