[quote=@Lugubrious]
<Snipped quote by Rtron>

I sincerely doubt it.  With humanity pushed back, they're more flighty and reclusive than ever.
[/quote]

Flighty and reclusive they may be, but some of them have had to die. They gather where humans gather right? With humanity pushed back, that means some settlements have been wiped out. The Dyun have rudimentary planning skills, such as 'surround place and kill everything.'

Even the most twitchy of people/animals/what have you, get caught off guard.