Adding to Stanley's statement, it is my understanding that Youtube Shorts do not contribute to the 4,000 hours for monetization at this time. I've also heard from several experienced Youtubers that Youtube Shorts can mess with the Youtube algorithm in a negative manner. Having said that, there are also many experienced Youtubers experimenting with Youtube Shorts.
Because I am still trying to ramp up to 4,000 hours, I want every video to count towards that. Youtube is still experimenting with Youtube Shorts.