I'd like to say I think this image is fake or rigged.
I've been observing injured penguins with sweaters for at least 15 years now, and have never seen more than 2 penguins with different sweaters lined up in a row.
I heard of a story of a guy who went observing injured penguins with sweaters and found 3 unique sweaters in a perfect line, but I found that hard to believe.
These sweatered penguins were either tamed or trained, or sedated and had unique sweaters knitted for them for fun. It's sad either way.
Good, I found it weird that someone would make sweaters for penguins in the first place, would have been even weirder if they were dead, though i suppose making sweaters for toys is weird but maybe he just needed them like a mannequin.
Oh no, it's still completely possible there's a man making sweaters for injured penguins. It's a lot easier to get several plushies in a row for a picture than a bunch of wild penguins.