Indeed few boats that size are as maneuverable as a tug. It's a good metaphor for a skilled developer: even with that kind of agility, it can take a while to ch

Indeed few boats that size are as maneuverable as a tug. It's a good metaphor for a skilled developer: even with that kind of agility, it can take a while to change the direction of something with a huge momentum. And a software project has momentum vectors shooting off in high dimensional space.