"The guitars are all defects. They're manufacturing defects. You know, we want to blow up guitars but we don't actually want to keep musical instruments out of the world." https://youtu.be/2dFdNUz2cQc?t=73
OK Go identified the potential issue beforehand and found a solution that would work for them.
How about OK Go exploding tons of guitars?
Making video art is more than a legitimate reason to destroy props. This feels like a silly discussion.