Why was Celebrex banned?

Could you elaborate on the reasons behind the ban on Celebrex? Were there specific safety concerns or side effects that led to this decision? Did the Food and Drug Administration conduct a thorough investigation before imposing the ban? How did this decision affect patients who were previously prescribed Celebrex and what alternatives were recommended for them? Additionally, what are the potential implications of this ban on the pharmaceutical industry and the development of future drugs in this category?