I do not want to contest the main points in your post - that unexpected price moves can gap across stops and eliminate accounts, and that scalpers are especially vulnerable to these moves. I support these points and think your posts on this have been invaluable.
But scalpers won’t listen.
Just to underline your points though, 5 of the 6 events you listed would have hurt the trader who was counter-trend. The sixth event you listed I can’t actually pin down - 25/12/17, No.4 above.
I take an uptrend as being where the daily 20EMA is above the 50, and both are sloping upwards. Reverse for a downtrend. I’m not saying scalpers shouldn’t scalp or scalp counter-trend because they won’t listen anyway, ts a waste of typing. But I am saying to the long-term traders, follow the trend, and you should at least avoid the majority of career-ending calamities like the ones listed above.