You can ask Blab (one of two maintainers of the SponsorBlock browser extension and database, the other being Ajay) why not all categories are enabled by default

You can ask Blab (one of two maintainers of the SponsorBlock browser extension and database, the other being Ajay) why not all categories are enabled by default. There is also a joke branch of the extension called SponsorLock, that isolates sponsors instead of skipping them: https://giveup.ajay.app https://giveup.ajay.app