Yes, that's right - the essence of business is precisely this: to make people's lives better, easier, more pleasant, more interesting, to solve their problems and satisfy their needs - and get financial rewards for this.
Geo, you are a smart person and have been on the site for a long time. I will never believe that you have never had the thought of doing your own business. And once it did, what were the motives?
Of course, everyone has different. Someone wants to cut the dough. Someone to convey their idea or usefulness of the product to the rest. Some can't just work for an uncle. Others enjoy this activity. Like a hobby. Others have self-realization. You can also prove your worth. And for some it allows them to do interesting things.