I would say a great deal of it is the media. Almost all the large outlets now are basically operating through a pro-Liberal/National political filter and pushing misinformation about the Government on people. There is huge complacency about the Government, and I think most of that is because many people literally have no idea what's going on. Probably less than one or two percent of the population would have actually heard of any of these mass surveillance or "national security" laws, the "eSafety" censorship laws, etc.
It used to be better, but Fairfax which had some fairly decent papers got bought out by Nine Media, whose chairman is retired Liberal party Treasurer Peter Costello. The paper's reporting has shifted to a very pro-Liberal Party bias since then. The News Corp papers were always politically slanted towards the Liberal/Nationals. ABC has been cowed by funding cuts and undermining by the Government appointing terrible board members and chairpersons, and they have literally pushed people out because they didn't toe the line (like Nick Ross, because he reported accurately on how bad the Liberal Party's policy on the NBN was, or Emma Alberiche because she reported on the fact that corporate tax cuts generally haven't been shown to increase economic growth when corporate tax cuts were basically the only policy the LNP had).
We'll see what happens this election. Murdoch might temporarily switch sides for a couple of months like they did in 2007, because he hates backing a loser (and I think Morrison's and the rest of this terrible Government's incompetence is a bit too obvious despite the protection racket the papers and TV news try to run). But if they do, almost as soon as Labor gets in, it will likely be back to attacks and undermining of Labor and pro-Liberal/National party bias...