Yes the in game RE2R and RE3R VRAM usage graphs are wrong, and there was a pretty big stink about it, I guess not big enough to make headlines but it was talked about quite extensively....it doesnt affect performance so gamers generally dont care.
Use Afterburner and set it to display VRAM Allocation and process VRAM usage, in alot of games youll notice a huge disparity between the two.
Some games allocate VRAM as in they simply request from the system "hey I might need to use xx amounts of VRAM", but never actually use it.
Theres a game that escapes my memory(lol) right now that will literally request exactly 1GB less than your total VRAM, so if you have a 10GB card it asks for ~9GB, if you have a 12GB it asks for ~11, but when you look at per process memory its using something like 5GB..........RE2/3R likely use some backwards method of VRAM requirements, i believe theres just some borked setting which doubles whatever the number actually should be....so if its asking you for 14GB it likely needs 7GB.
The Allocation number is pretty much useless.
Process VRAM Usage however is exactly how much an app is actually using and is much more accurate than most in game telemetries.