If you search for “Google” in Bing it shows you a page that is designed to look very similar to the Google home page…
via @verge https://www.theverge.com/2025/1/6/24337117/microsoft-bing-search-results-google-design-trick
First image: search results for “Bing” on Bing
Second image: search results for “Google” on Bing