I think these downgrades will also affect the monsters. A clear example is Mr. X, who is
Small Building level in the original game but only
9-B+ in the remakes. Nemesis would likely also be downgraded in some of his stats.
OG Mr. X and
OG Nemesis
Remakes Mr. Xand
Remakes Nemesis
The thing isn't just about stats but also haxes, like
OG Leon compared to the
Remakes one. I'm also pretty sure that most portrayals of Leon, even in the movies, are based on the original RE4 rather than the remakes. Because of that, the characterization would become inconsistent if Leon is portrayed as confident and composed in most media but suddenly much more depressed in the remakes.