> it can be profitable to crash the price even though you're holding the asset at the same time.
in that case, the less you hold the more profitable it is. I'm not sure I get your point...
The point is that your assumption
> If you own a large amount of a currency, you want to ensure that the currency in question is trusted, or otherwise that currency would end up losing its value.
is fundamentally flawed. You can own a large amount of a currency and profit from it losing its value.
OK, now I see what you mean, yes I agree with you then. But I think you are trying to generalise my comment - it wasn't an absolute statement, I was just trying to tell parent that in my opinion they misunderstood the grandparent's point.
The point is that it can be profitable to crash the price even though you're holding the asset at the same time.