According to the Oxford English Dictionary, it means to cut in a wasteful manner, particularly in terms of fabric. From elsewhere, it looks like it’s also used in construction in regards to cutting material such that the remaining sections are not usable for other purposes.
However, I’m not sure how stale bread discourages such cuts.
Yeah, reading the article, it sounds like they’ve decided to park at the space station because the parts that malfunctioned during the journey to the space station were not designed to survive re-entry, meaning that they won’t have the opportunity to understand what went wrong with them after they return to Earth. So they’re delaying the departure in order to collect as much information as possible about what went wrong in the first part of the mission. They’re still confident that a safe return is going to happen.