There's conflicting canon, but Voyager was (Sometimes) her first command. Before this Kathryn didn't have a captaining style or a reputation for being any sort of particular sort of captain. She was a science officer promoted out of Science because she's terrible at science. Failing upward. Her father was an admiral and I'm pretty sure she used to sleep with her former CO, Owen Paris, so it was a given that Kathryn is going to be an Admiral one day because of nepotism, the old school tie and a few greased secret handshakes.
Here's what I really don't understand Zameaze... Do you honestly think that Captain Ransom is a better Captain than Captain Janeway? I know that you need a maniac to catch a maniac but come one, puh-lease! Your claim is that Janeway sunk to such depths in bringing Ransom to justice, if she wasn't just picking on Rudy, that her next step should have been locking herself up for how she caught him?