maybe the goal is to develop the skills and experience to be able to build more boats. or to work on marine diesel engines. or to do something like rehabilitate

maybe the goal is to develop the skills and experience to be able to build more boats. or to work on marine diesel engines. or to do something like rehabilitate gigantic 70 year old wooden tugboats. you can't always rely on third party things to host your stuff if your intention is to become the person who runs the hosting services for other peoples' stuff. same way you can't rely on a boatyard's contractors to maintain your boat if your goal is to become an engineer for medium sized yachts.