If any one watch trades, their patterns, you'll notice all those 1, 2 and few shares they selling for buyers price all the time.
I don't think there can be that many guys genuinely desperate to sell their one or few shares by matching buyers.
Also when you see many posting here saying market will crash, go down and so on, you know these guys still collecting.
But the sad thing is , they forget, without small investors, traders, they'll lose. Every one forgot 2011. You get rid of small inverters, traders, then market will be down and dull , than you ever wanted to.when that happen the'll get their wish to keep collecting,and collecting...