I am not sure, but doesn't it make also sense financially for some parents to send their kids to soroban classes because that's actually cheaper and more freque

I am not sure, but doesn't it make also sense financially for some parents to send their kids to soroban classes because that's actually cheaper and more frequent in a week than other alternatives when they cannot go anymore to the public after-school services (I speak about gakudo/学童 here)?