It makes sense from a UX point of view. Here are some relevant threads & articles: ''[https://www.searchenginejournal.com/google-to-remain-default-search-engine-on-firefox/377658/#close Google to Remain Default Search Engine on Firefox]'' - Search Engine Journal ''[https://support.mozilla.org/en-US/questions/934817 Why does Mozilla Firefox use Google as their web search if Google stores everything we search?]'' - Mozilla Support You can change it easily if you wish. [[Add or remove a search engine in Firefox]] [[Change your default search settings in Firefox]]

Mozilla uses one engine. Then over time, makes another the default for whatever reason. Type '''about:preferences#search'''<enter> in the address bar. You can select any search engine to be your default from here. You can also remove any engine from here.