How's that unfair?
I don't fear Google because the cost of switching is low and I only stay with them as long as their products kick ass. Not only that, but they do make it easy to import and export your data using standards on all their products that I use ... GMail has POP3 out of the box, Gdocs can export your docs in whatever format (HTML/OO/PDF/Word/Excel), GReader can export your feeds in OPML.
As far as search engines go, replacing them is ~5 clicks away in both Chrome and Firefox. And from a dev POV, I only care about white-hat seo stuff, like having good articles with semantically correct tagging that all other search engines care about.
I care more about the availability of my data and about my privacy. There's no point in fear mongering about what might be as long as they are playing nice ... trust and reputation have been the foundation of any society for thousands of years, I can't see why that wouldn't continue to work.
E.g. both Apple and Microsoft have betrayed my trust, and now I don't use their products or recommend them anymore. And I don't really miss them that much ;)