uBlock has a lot of external lists as default. I don't think uBlock team maintains the lists, and it just makes sense to include lists created by others. If you

uBlock has a lot of external lists as default. I don't think uBlock team maintains the lists, and it just makes sense to include lists created by others. If you made such extension how would you be sure the lists included by default works as intended if you are not going to maintain the lists? I have today installed uBlock and it didn't block the whole page by default.