This.

"Ah, behold! A gargantuan dwelling of the giants! We'll just put our giant clumpy mud hive right up here until we reproduce infinitely unchecked, and then perceive them as a threat for daring to venture outside! Peace an' love y'all."

"Ah hah! Look at this patch of grass! The giants stomp around here regularly. We shall burrow and hide beneath it, reacting with furious hellfire should we be tread on!"

"Avast, ye, mammal! You are within like a kilometer of my turf! Your life is hereby forfeit!"

--Various kinds of wasps, probably.

I'm all for letting things be(e), but I get pretty pissed when creatures have the audacity to attach to or otherwise colonize your dwelling and then get mad and violent that it's your dwelling.