There's been some pretty bad reporting out there on the safety concerns which have been raised about Amtrak and Brightline. Most of it can be summed up in a single word: horrible.
Here's an editorial about Amtrak safety which is worth reading. It's not filled with glaring inaccuracies or a "abandon all else and put my region first" point of view. What's more, it's intelligently written.
From the Seattle Times:
https://www.seattletimes.com/business/economy/americas-railroad-blues-are-self-inflicted-wounds/
--Jackson McQuigg