From : Z - Ultra Verbum Vincet

Nazi scientists put these suits on innocent children to test Cyclon-B gas, a component applied used in gas chambers along with other multiple tests. These children were tricked into putting on the suits and they were murdered. The children never saw it coming. Disney then turns this situation into a kid’s movie made millions while subliminally throwing it in our faces, while they know the truth meaning of the minions.
Just research the origin of the things you watch, follow and celebrate and it will surprise you.