It’s not a subtle ad. Google has sold the top slots of your search to companies in exchange for money.
When your search for “Excel”, Google doesn’t try to find you the most relevant result. They find you the highest paying ad, and then what you’re searching for.
I recently got sick and decided to play through ff2 (iv). I’ve owned it since I was a kid but never beat it.
I finished it in less than 24 real world hours.
I was astonished at the difference being an adult makes with regard to gaming.