A stuck boat in general is not usually a big deal, but this particular stuck boat is giving visibility to how fragile and interconnected everything is. Of course we "know" that, but we often don't see the extent of it until a disaster happens.
A system's capacity got stretched. For a while this worked fine, but safety margins became smaller. It was just a matter of time before an accident like this would happen. And there is no redundancy (on this part of the canal).
So I like this stuck boat because it shows where "the system" has weaknesses. The system extends of course into many areas. Trade, finance, engineering, probably politics, etc.
Unfortunately, due to greed (oops, "efficiency") we will always be running systems at, or slightly beyond capacity so accidents/disasters like this will continue to happen.
I also like that the boat is stuck simply because it is an example of how quickly the world can "unite" in peaceful discussions around an absurd situation.