Because all of the big box stores run the fake "find a cheaper one & we will beat it by x% " most of the brand names will continue.
That way Lowes HF, HD, & Wallies can all sell an identical mower at different prices because it is painted a different colour.
And when Stanley bought all 4 of the local hand tool makers they did exactly the same .
Closed the Aust factories and downgraded the tools to handyman quality .
Worst was they dropped all of the speciality lines and reduced the range so no longer could I get spanners with 6 different offsets which is a bugger because there are lots of times when you need a ring with 1" or more drop to get a nut under an obstruction