Originally Posted by Spuddles
Late game zergs seem really, really vulnerable to harass- why dont we see more spine crawler/spore crawler defenses at expos? Zerg tend to float a lot of minerals and often have a larvae deficiency when trying to remax. 4 marauders or 8 marines (3/3 with stim) dropping out of a medivac will burn a hatchery very quickly.
I read a post similar to this (on these boards, maybe?) that was similar: encouraging building multiple of the same tech structures (as opposed to massing defenses) so that if the dread 8-rauder drop comes; one can still shrug it off.