If they retconned away the marriage of Lois and Clark, I'd walk away as a reader. Just as I did with Spider-Man.
That's one of the reasons why the Mark Waid/Grant Morrison/Mark Millar "reboot" in 2000 was shot down -- they were going to eliminate the Clark/Lois marriage.
The way they were going to do it was... interesting to say the least. Brainiac would have infected her mind, and if she remembered she was married to Superman the knowledge would have killed her. So the marriage still would have happened, everyone else would have known except