... or include a config option to disable that feature.
Reason:
- Minecraft is about building things, the break chance however suggests to never move stuff around (read: rebuild your house). This is contradictory to the base MC idea.
- Usually players who loose a machine can afford to rebuild it, so all they loose is time and some material that can be easily replaced. As there is no way to prevent this, the main effect of it is, that the player is annoyed.
- The break chance is a chance, therefore it can happen that something breaks 3 times in a row. Happened to a friend during reactor placement, he lost the reactor chamber 3 times then rage-quit.