I think of it as a cancer that's just slowly metastasizing to different organs. Over the years, it has eroded so much good will from new and old fans that some of that damage can never be fully "undone." Some people will never come back to the book. But if it's properly dealt with and removed, things could turn around for the better (same applies here lol)
Also I think the Miles era of adaptations is just beginning. How that will affect Peter remains to be seen. However, if Peter is treated in accordance to how the Post-OMD writers want him to be perceived (ie: youth), then he becomes superfluous thematically.
I think the most important thing that has been highlighted in the "When does canon end?" thread: although there does seem to be a majority on here that thinks the only canon that matters is pre- OMD, there's no "unanimous" vote. Poll different readers and writers and you'll get different answers. Marvel staff couldnt even unanimously agree whether to revive Gwen with BND. To some, Spider-Man ended with Gwen's death. Others the marriage. If you're old enough (Wolfman or Conway...no shade intended) "true" Spider-Man ended with Ditko. If you were to take into account everyone's preferences, none of it would matter. None of it would be "true" Spider-Man. And so, pragmatically speaking, all of it should matter.
In that regard, I agree with you. If the marriage was to return, they should do it in a way that works with the last 15 years instead of trying to rewrite those stories.