Not irony. The stuff is not on Google, it's on the Internet and directly accessible via links. It's in fact what any company wants, the holy grail: for people to mix its brand with the category of business. It will pass and be replaced by some other fad.

Feel free to google it in any other search engine :)

https://www.qwant.com/?q=Remove%20firefox%20tabs%20tree%20st...

https://duckduckgo.com/?q=Remove+firefox+tabs+tree+style+tab...

https://www.bing.com/search?q=Remove+firefox+tabs+tree+style...