That sounds really unorganized to me at least, I mean the linux kernel is large and there's only one guy at the end of the day merging all that stuff. I would

That sounds really unorganized to me at least, I mean the linux kernel is large and there's only one guy at the end of the day merging all that stuff. I would think that in larger projects a better practice would be a distributed hierarchy of merges until a PR finally got submitted to master, not a massive blob of just send everything to master as a PR and let various maintainers merge whatever at will.