If you actually did all that and applied to four of the FANGMA firms, you'd almost certainly get a job in at least one of them, probably two or three.

Source: I have both ran interviews, and worked on hiring committee for one of them. Someone who actually did those things would be an obvious hire.

Actually, someone who just grinded leetcode for two months would be an obvious hire, regardless of what their CV says, or what their life story was.