The worst is when you have a bunch of independent systems that all have their own login info, all configured by the dame IT department, all with different forced reset timers.
It seems like a lot of guesswork based on a small amount of evidence.
Because of being extremrly large and nonflying I don't see why a trex would gain an advantage by being able to a see a mouse from kilometers away like a modern bird if prey. Between that the millions of years of evolution between them, I wonder if their eyes were less developed in some way.
So much better than jerboa