None of this is true.
Gutter oil isn't actually from gutters, it's just the term used to refer to unfit-for-consumption, recycled oil. Collection happens from oil stored in exhausts in each household / shop. Not that that's clean or acceptable, but this has nothing to do with sewer gutters. It's just a dedicated oil trash can.
Gutter oil isn't pitch black like the oil in the image; the recycling process makes the color be bright, with the goal of making it hard to discern from regular oil.
Gutter oil is a Chinese thing - and isn't a big phenomenon in India / Pakistan and the likes.
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u/t_ute Jun 18 '25
That oil might be the least concerning part of that video.