-You should ask T. I would imagine in this case he is referring to your slogan "behaviour has meaning" ...most especially as whatever the reason or indeed lack of one concerning voting or not, any proposed hypothetical "meaning" is essentialy irelevant: it doesn't count aside from statistically under "turnout" where it is as a negative.

On parliamentary abstentions where known numbers create a different story, Frank Maguires infamous one in the vote of no confidence 1979 did have some effect as It brought down Callaghan & Labour. It has been explained variously as deliberately political, being unavailable because he was locked in a toilet, being rat-arsed on whiskey or being told to do so by his wife: the jurists of history are still working out the real "meaning" of his "behaviour" 40 odd years later.