Well, I mean, their fears are founded. Like, the fear of having to completely rewrite half of their sprawling applications, without everything breaking.
Discussion
Well, if I (or any person) make mistakes and mess up badly, I just take responsibility of the consequences of my acts. It's pretty simple. Instead, I can guarantee you that fear leads to nowhere
That's how basic science works. It can sound cruel, but it has always been like that. I don't make the rules
Most of them missed the opportunity to start full test coverage, from the beginning. So, now they can't change anything, without the whole thing blowing up.