Driveshaft problems of the 2014 Honda Civic

I bought the car brand new in early 2015. Never had so much as a slip in the transmission. Got a recall notice in 2015 about a sensor for making the "check tire pressure" light stay on when starting the car. Honda tells me they fixed this in December 2015. On August 27, 2020, while driving down the road on a very dangerous highway, the transmission just stopped. No noise, no pop, no stutter. The car started decelerating and every error message known to man came on the screen. Check power steering, check tmp system, check engine, check transmission, etc. I was able to pull over, barely getting across the line and having to sit and pray for half an hour that the huge cars barreling toward me would not hit me. Got it towed to king Honda. A technician called five days later and said the transmission is shot. I can either pay $6000 for a transmission from Honda, or I can pay $2000 for a used transmission. He said the drive shaft pulley broke. I asked him about the recall number 15v574000 that says the software settings that control the transmission operation may result in damage to the transmission drive pulley shaft. He said there was no recall on my car. He said he'd talk to his manager and call me back. He left a message saying the transmission has come apart on the inside and I would need a new one. In the meantime, I'd called the dealer where I purchased the car. The man told me it was just something that happened. I asked about the recall. He said it had nothing to do with it. My husband called and the man listened to him and agreed that these things don't "just happen" to a Honda that is less than 100,000 miles with no notice, no problems, no noise. He agreed to have a look at the car and said if the drive shaft pulley is in fact broken, it would be related to the recall. We towed it tonight and will wait to see what they say.