Its a business decision. They have a paid product, thirty bees wants to make money, if they don't want to pay us to make the module it does not make good business sense to make the module. Economics 101, we are gravitating toward development that will make us money, so we can grow as a company.
Algolia is a bad choice really, to do it properly every template would need a custom view, that is why we stopped development of the module, it could never work turnkey because of that.