Wouldn't using, say, a high performance source code search engine in their backend, be "in connection with rendering the Website and providing the Service"? Is

Wouldn't using, say, a high performance source code search engine in their backend, be "in connection with rendering the Website and providing the Service"? Isn't there a (theoretical) concern for someone hosting GPL'd frameworks/servers/etc. on GitHub, that GitHub might want to use to replace or build their services?