Very easy to say - but not necessarily correct. I've experienced the oopposite - with *quality* kit. I know what the junk is like.
Not anytime. Sometimes under high forces those points dig-in under rotation. (Not lift on the apex) (desirable or not) and you can't get firmer than that.
It seems from you and others reply that the flats have it - I accept the group wisdom - but anyway, just added how I'd found them.