And that's the right thing

That they don't reveal how many coins they have. As the saying goes, money loves silence while big money loves grave silence. And people are very envious overall (you can even see it here, at bitcointalk, now and then, here and there), and if their neighbor all of a sudden jumps from zero to hero, so to speak, they will feel sincerely offended. But there are enough folks who feel particular pleasure in making all these envious people feel even more miserable by deliberately showing off their new wealth. You can be pretty sure that among Bitcoin nouveaux riches the percentage of such people is higher than between gold bugs. In other words, new money always loves to show off in general