Ada is a mixed bag for me in RE4R. Visually she's the hottest she's been, but her voice acting was pretty bad.
I don't agree that the game lacks the charm of the OG. People who say that are referring to the radio conversations between Leon and the villains. While I agree Salazar and Saddler are not as good in the Remake, the trade off is that Ashley and Luis have way more personality. Ashley finally isn't annoying, and Luis has way more depth to him, and comes off like a true bro. Mike in the OG was fairly bland for the limited time he was in the game, but in the Remake he sounds like some redneck from the bayo, and it was perfect.
I also like Krauser more in the Remake. He the OG he came off like a typical 2000s stoic edgelord, but new Krauser is an unhinged beast who just wants to be unleashed. A typical case of when you stare into the abyss too long, the abyss stares back. He just has way more going on with him.