What changed is that democrats lied. The guy you quoted who said Republicans did this in retaliation for Democrats making prescription drugs more affordable is telling the truth.
For those new to this story, a provision of the Affordable Care Act was passed with a sunset. It had to be done that way to get the cost down being advertised to the voting public. That sunset is coming up which would have meant the ACA would have become a crapload more expensive right before the midterm elections. The democrats hammered out a deal to push out the sunset another 3 years over strong republican objections. It is laughably called the Inflation Reduction Act but in reality it is the opposite. It is also being sold as a solution to climate change, but both the bill's title and climate change spending are cover for the real purpose of the bill; to not have ACA bills double right before the midterm election.
The republicans supported the bill to help out the troops with the understanding the democrats wouldn't push through another multi-trillion dollar spending bill. The democrats lied and so the republicans withdrew their support.
