There's a lot of good comments and suggestions, but the one that I'm not seeing is, "tell others".
Do you perform support for friends and family members? Explain why it's not in their best interest to use Chrome (and Google products in general), then ask and help them to install and use alternatives.
Have a laypersons response to why they should avoid Google for that person you're chatting with on the bus. Have a response ready to the awful, "but I don't have anything to hide" counterargument. As an aside, being the tin foil hat wearing guy/gal doesn't help the cause, explain it in plain language.