I no longer care about continuity, and that's a good thing.
I'd stopped reading a lot of DC around 2008 (basically everything except Green lantern), but came back for the fresh start of The New 52. It was a real mixed bag, but something immediately evident was that the editors and writers had no idea what the continuity was, to the point that there were only two Superman titles and they were contradicting each other. Fans had no answers, other than if you see it in a New 52 comic, it is New 52 canon. Otherwise, assume it isn't.
It was infuriating, and I just stopped caring. Because it doesn't matter if a New 52 issue of Batman means that Knightfall no longer happened (or happened differently), because Knightfall did happen. I've read the whole thing, like 10 times. I own all the comics. I've bought it in various trades about 5 times. And I was only pissing myself off by thinking it mattered.
An good example is Jeff Lemire's magnificent Green Arrow run. This couldn't have happened without either the reboot, or some serious mental gymnastics continuity wise pre-Flashpoint. The garbage that came before it was almost entirely ignored, other than the basics (rich kid, island, arrow-based heroics), and one or two supporting characters, and Lemire just told a damn good Green Arrow story. When he left, I checked out the new writer (from Arrow), and decided to drop the book, something I never would have done in the days I obsessed over continuity, fearing I'd miss something.
As far as I am concerned these days, each writer now establishes their own continuity. If they reference a previous story, fine, that's canon to this particular run. If it has no bearing on their story, why worry about it? Grant Morrison's "everything happened" idea works for him. Scott Snyder tends to create his own mythos, often ignoring what came before. Geoff Johns contradicts continuity in his own runs when he has a better idea, and that's also fine.
Marvel have this great trick where they have one long narrative, no complete company-wide reboots, but their readers don't have the same dogged obsession with continuity that DC fans seem to have. Very few people think back on the unpleasant aspects of Iron Man's first appearance, or that it all worked on laughably outdated technology (or general ideas on technology, Stan Lee was no scientist), or even that it's not a very good comic. They remember the important story beats, and if something is referenced in a new story, they aren't looking to whether that contradicts something Happy hogan said in issue #107.
I think that Crisis on Infinite Earths (among others attempts to "fix" or "streamline" continuity) instilled an artificial sense of importance in continuity. DC's constantly drawing attention to its own continuity does, itself, create many of the problems they keep trying to fix.
My point is this; if you want current continuity to be a continuation of the New 52, then it is. If you want it to be pre-Flashpoint with a little Rebirth added, then so be it. Stop worrying about everything fitting into a narrow continuity and just enjoy the comic you're reading. If you're anything like me, you'll be a lot happier.