It depends wether people see the question that you need assistance with or not. There are so many questions on Brainly. It takes awhile to get an answer that you're looking for.
If you really want to know more about why they take this direction of a business you can read here - https://www.alleywatch.com/2021/01/brainly-online-peer-to-peer-learning-platform-homework-help-michal-borkowski/
