Why it worked
The video likely performed well due to its ASMR qualities and the visually satisfying process of creating large amounts of suds, which appeals to a niche audience interested in 'oddly satisfying' content. The use of popular laundry brands also contributes to discoverability.
Summary
The video shows a person adding various laundry detergents and fabric conditioners to a washing machine filled with clothes and sponges. The process involves cutting open detergent packets, pouring powders and liquids, and creating a large amount of suds by agitating the contents with sponges and hands.