I installed the extension, tested a search, then switched my default back to another search engine. Future searches on you.com failed because I did not have the

I installed the extension, tested a search, then switched my default back to another search engine. Future searches on you.com failed because I did not have the extension installed - even though I did. I uninstalled the extension. I don't want to use tools that give me less power over my browsing experience, arbitrarily breaking although I'd done what was explicitly documented. I want tools that give me more power.