They had 8 years. 8 years. Almost a decade. 8 freaking years.
They had all that time to put together an acceptable ObamaCare repeal bill. In fact, they voted to repeal the law over forty times. However, when the day came that a Republican President was in the White House - someone who would actually have signed any one of those 40+ attempts - they had nothing ready. They squabbled, bickered, delayed, bickered some more, complained, squabbled, and ultimately failed to get the job done.