The main question is, do you have an edge, do you make money? If you do, then good, do whatever you are doing. If you don't, then I would recommend that you try a higher time frame, even if you have to trade something else in order to accommodate your account size, like individual stocks, micro ES... I find that I lose money very consistently on anything under 5m time frame.
The main question is not personal do I have and eadg in short time frame trading. The question should be is that kind of edge, in low TF, can be develop. I believe the answer is Yes.
Tried the long side in GC several times starting there. Seemed like a decent swing, strong support below. But I got impatient and got out near breakeven I still think today is no time to short. I will avoid trading GC/SI Europe morning session. Way too slow. Will try the Bunds, they seem to move at this time of the day.