Pete Smith was head of publicity for MGM. He had a snarky voice and began to narrate some short subjects for the company... and spent twenty years talking and producing. He was nominated for a dozen and a half Academy awards and even won two or three times.
This short, which is about things like sailing and surf boarding is a fairly typical example of his early work. He sounds excited and like he knows no one is going to believe that anyone cares, especially him, at the same time. Combine this with the usual solid camera-work that Metro could do at this point -- particularly since it was clearly shot silent with sound added in the mixing room -- and you can understand why he did stuff like this for two decades while holding down a day job.