Don't Ask Me About Best Practice One Month Before Implementation

I was on a call recently and the project lead went through everything they had already done to set up their information system. They had gathered their business requirements. They had selected and purchased their vendor, and they were one month out from implementation. This last part bowled me over. "Oh no, it's a clean up job." I thought. "They've realized that they didn't select the right vendor and they need help from industry professionals to get it done right this time a