'I did not know Woolite and other detergents were intended to froth more"
First man made surfactants were anionic type. This was the technology P&G licensed and brought back from Europe as they sought to create a synthetic heavy duty laundry detergent.
FEWA was first synthetic detergent in Europe/world but being based on anionic surfactants presented some issues. First and foremost such surfactants have basically same properties as soap but aren't affected by hard water. They tend to be very high foaming which limits their use in certain automatic or even semi automatic washing machines.
Fewa, Dreft, Woolite and countless other similar products were "light duty" detergents. For various reasons they weren't up to snuff for really heavily soiled laundry. But were fine for woolens, delicates, silks, etc.... Excess foam created during was was a bonus when it came to h-axis washers since again it helped cushion textiles. Such products replaced soap for general house cleaning as well
https://en.wikipedia.org/wiki/Heinrich_Bertsch#:~:text=In 1932 Bertsch invented
Old German promotional film for "Johanna" and Fewa waschmittel. At end Johanna says something about Fewa being better because it is neutral (pH).
Anionic surfactants on their own usually are near neutral. This is why they can be used to wash wool, woolens, silks and other fine washables that would be harmed by alkaline pH.
Another Fewa promotion from Henkel this time 1941.
Notice there aren't any men depicted? Only German women working at everything from in the home to locomotive yards. I'll give you three guesses why....