"We can't add a toggle to everything so we just remove stuff left and right."I hope you can see how mediocre you sound. Also, complexity my ass. You just need a boolean and an if statement. You have no idea how much I hate your mediocre guts.
The bookmarks toolbar takes vertical real estate. The bookmarks menu requires more clicks. Please stop. Now I have to press shift while clicking. How is that a better workflow? You don't know anything about UX.
Listen to me. You're an engineer. You're not an UX designer. If I wanted my search bar to work like the URL bar, I'd use the URL bar. Stop changing things. If you want to remove something, just add a toggle in about:config and stop messing with peopl...