>just like hundreds of other companies offering products with "Office" in their name
There may be hundreds of other companies selling products with the noun "office" in their names, but there only is one producing a productivity suite called simply "Office". I would expect launching another productivity suite called "Office" would be trademark infringement. Just like I can't release a car called "Beetle" or "Golf".
Yes. Those conglomerates also do TV. But Hollywood makes movies, and not talk shows. Many of those conglomerates also have internet access businesses. But Hollywood doesn’t lay fibre.
That’s because Hollywood makes movies, not videogames. You also spent a few hours driving but Hollywood hasn’t done anything about it because they are not in the business of making cars.
You can overcome that with talent and intelligence. But since talent and intelligence are not evenly distributed, you have places with little natural resources that are rich and places rich in natural resources that are poor.