I didn't realize most of them are the same console but the first one is definitely another doujondance.
How do you know? It really doesn't look like it to me, there's no epoxy on that one is there? That one does look dodgy but also looks possibly elderly, maybe it was done ten years ago by someone?
The one that is definitely a doujondance mod shows a system already halfway into demodding (some epoxy clearly removed from a chip in the middle overall board shot) but I can't see any bad cap replacements there, in fact I can't see any at all, they all look original. And the ground wire was to ground a leg of the chip as part of the mod, it wasn't using the chip
as ground. It really looks decent to me.
Epoxy, glue, reversibleness, sure whatever, but I'd say that's just a different philosophy of modding. Most people who buy a pre-modded system surely never plan to ever mod it again.
That said, hey all I can say is mine looks a lot like those the full board shot one (though I have no region mod which wasn't an option back then - luckily since those region mods were later found to not be compatible with the Turbo Everdrive) and I've never had any issues. The case was also beautifully cleaned and peroxided so it looked new, and the LED replaced with a cool blue one.
Maybe the standards changed over the last four years. The prices certainly did, I just looked at my ebay invoice in my email for mine and it was US194.99.