So many dormers of prefixes and flying buttresses of suffixes on so small a frame.
"Struct." Build?
"Con." With.
"De." Un-.
-ion." Noun form, abstract usually.
"ism" even more abstract noun form, usually related to a theory or ideology.
So . . . The theory of unbuilding things once built with something.
Shorter synonyms: tearing down. Blowing up. Taking a crowbar to.
Is Solomon the only wise man left in the world? Along with a few carpenters?
"A time to tear down, a time to build up."
Deconstructionism is, therefore, an ugly long word for a simple thing, that is right sometimes, and wrong some other times, depending on all the undefined variables, the what, who, when, why, where, how much, etc. In fact, this is not something to take a position on at all -- just an excuse to fill the world with more empty rhetoric, instead of love songs.