I have been using metal ear pick to clean my ears a long time, is it really bad to stick things into ear even you don't thit ear drum?
It's a very popular meme at least...
If your ears are already stuffed with earwax and you just shoved a qtip in there the wax could get impacted or something which I why I recommend some sort of liquid cleaning solution first. Once they're mostly clean, further mechanical "maintenance" cleaning should be just fine.
Whether anyone even needs to do this depends on personal physiology (how much earwax and what consistency) and habits (Do you use IEMs several hours a day?).
Sure, it would be better to not stick things into your ears because something
might happen and someone might be able to put together some sort of epidemiological study showing sore some sort of small risk but the same is true or driving or crossing the street on foot.