It is not. Ridiculous to change car midseason whatever reason this. We had four races to adapt, this is well enough to keep it.
Oh, I am supposed to buy it now, right? You can believe whatever you want, just please keep from spreading nonsense to others.
You could say something similar about cars itself, nobody notices what is your front wing color or whatever. Anyway, i'm not sure what's the point of this, everything has it's little detail that maybe unnoticeable but still make overall picture nicer.