low leverage can be more dangerous if you trade with zero risk management including non-sense planning.
beginners should not trade with any leverage ratio first of all. but if they want , they can practice it in demo not live at all.
the beginners level always looking for a good result by using high leverage ratio but this is not possible at all due to poor money management,.
Leverage depends on trader risk tolerance. Generally, new traders should aim at lower leverage so they can manage their trade and avoid blowing their accounts quickly.
risk management is a great skill and to be experienced about this is challenging and long time issue , so beginners lost interest after passing sometimes when trying practically.
Beginners should not prefer using large leverage. Always start with using small or optimal leverage. Also prefer using strict risk management.