Do you guys think that maybe cutting a lot of fat from WhyEm's DLC will help? There's some buggy items there (like the holsters that don't holster guns), and some items I can do without (like many of the saddles).
I'd say this is ideal, because surely WhyEm would allow this since it does not copy their work and we're only altering the files that get loaded, and if we know how to do it for ourselves we won't need to distribute/upload anything without their permission. The only problem is I do not know how to cut out the parts I do not want from WhyEm's DLC...
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UPDATE: This method definitely works. I only use a few choice items from WhyEm, so I started deleting .ytd files that *don't* sound like they could be the 5 clothes and 2 masks that I use. Testing it with Saint Denis trolleys, as it seems that they're the most easily affected by the spawning issue, so if there's no passengers, then you gotta step back on your mods/textures. After deleting over 700+ files, the passengers are instantly back after I load in and don't disappear after moving around.
With that said, there's *got* to be a better method than this. If we could remove the guesswork by figuring out which items are connected to which textures, it would be a godsend.