I wonder to what degree Google becoming increasingly a Walled Garden provides an opportunity for a new type of search engine. Instead of having to grapple with

I wonder to what degree Google becoming increasingly a Walled Garden provides an opportunity for a new type of search engine. Instead of having to grapple with the breadth of services on the Internet, it grapples with the depth of each Walled Garden - Apple, Google, WeChat, etc. I simply can't imagine that any one platform, however large, can truly grapple with the full range of use cases for the consumer internet.