Delaying tactics like this are an indication of an already lost battle. Unless they are delaying for some kind of shift that has an actual timeline attached to it (the second coming, maybe?) then it's really a losing strategy that might keep their base but will really damage them longer-term with overall relevance and the tolerance of the general electorate. Especially those on both sides who say that regardless of the outcome of any plebiscite they will vote on their conscience anyway. kinda makes a plebiscite a bit of a waste of time and money...., lots of money.
Don't believe it's a delaying tactic, it's just avoiding making their own call and allowing will of the people.
When the plebiscite first came up, it was in response to pressure for a free vote that tony Abbott knew would get up. Even the hardcore Christians can't deny it if it's the will of the people - hell on Lateline some seriously conservative ministers strong,y implied they would vote with the result even though it's against their own views.
When the ALP were talking up the plebiscite (when they thought TA would have none of it), there was zero talk of some hate campaign and it seemed to have broad support. As soon as TA went with it, it became the devils idea.
I'm all for gay marriage, but it's a political football.
If it weren't for labor and greens making political capital out of it, it would already have been done. This should already have been a moment in history