Unless I get to know good tactics to deal with this crap, I think this will mark, at least, a break in my playthrough.
The worst thing is that I know I'm to blame because I effin' saved when I was not supposed to. If I hadn't done this I would've just reloaded before the quest and tried something else...
If anything, that needs to be patched. No reason to not be able to drop Kizuna quests.
This really hasn't been my experience at all.
In general, you simply don't get quests out in the open world. You get almost all of them all in NLA. While you may have multiple quests that take you nearby destinations, in most cases you need to actively switch your tracker over to that other quest to really know.
The kind of scenario you're describing really hasn't happened at all in my 40+ hours with the game and I don't see how it can happen organically given how the game is set up. I know exactly the type of gameplay you're talking about, but it really isn't how this game is set up even if I wish it were.
Dunno what to tell you, lol.