How effective is Rabbi Google is answering shailos, figuring out sugyas, teitching words, learning various halachic topics or simply finding various shittos on a hot button Jewish discussion?
for any real shailos regarding yiddishkeit & halacha: he is uneffective cause it is against halacha to go to him & his computer sefer for these issues.
for jewish history & buying jewish products & locating them etc… he is a great tech rabbi to help you find them & even get some wisdom from him.
It could be a good tool for finding sources, but it’s absolutely imperative to check the actual sources, because the internet is riddled with errors, and Torah related topics are no exception.