>For this, a chatbot is no different than Google...
Exactly. AI chatbots look like something that can replace Google search and become the next big thing after search engines[+]. Like Google, AI chatbots will crawl and ingest the web. They won't be able to synthesize anything new, but it can be a convenient, very human-friendly way of querying the global knowledge base that the internet has become.
[+] If AI chatbots become successful, they will definitely start injecting ads and spoil everything again.