Firefox new tab has a box in the middle of the page for you to click in and enter text to search in your default search engine - and it immediately starts typing in the URL bar. IF I WANTED TO USE THE URL BAR I WOULD CLICK THERE.
Throws me off every time.
Definitely illogical and judging by the comments here, its a number of us who notice. It’s odd, because they went through the effort to preserve the option of separate search and address bars.