Also there are few mistakes in his channel. Almost all the videos have the same thumbnails which may be a problem at a later stage when the channel will be summitted for monetization.
I think he has started the channel one week ago. Still a lot of efforts needs to be done in order to achieve 4000 hrs and 1K subscribers.
It won't be that long if his contents are interesting. Long or short made video, that can easily be viewed if there's interest by most to his videos.
There won't be a problem with the approval of partnership and monetization if his videos are authentic, which I think is one of the most important factor Youtube look at before approving a channel to their monetization partnership.