Smith bench press does not need to control the balance, it is relatively easy and easy to load, which is about 80% freedom. Although Smith is easy to push, he still can't stand up because of his lack of weight and strength. If 140kg is not that kind of push, then this person is quite strong.
Zhihu and Tik Tok give the impression that there are many people, which is just the deviation of survivors. In every commercial gym (non-iron gym), bench press, squat, hard pull and strength push can reach 100kg, 140kg, 150kg and 60kg respectively, which are considered as strong ceiling level.