No it doesn't. Every scientist (or almost every scientist) uses statistical regression, Bayesian inference and estimation, multifactor analysis of variance, ANOVA....etc etc etc.
Massaging data and removing outliers is part of this.
MODIFYING data is not. That isn't professional and should be punished.
You are, with your exact words, lumping everyone into one pile.
maybe this is where we misunderstand each other.
to me, modifying the data, is indeed massaging it, and vice versa.
maybe i also don't quite understand, but going by what you say about removing parts of the data, would be the same as me ignoring part of the oscilliscope pattern on a mass airflow meter, or an 02 sensor, or a bmap sensor.
it doesn't make sense. there is no way to know who is removing what and for what reason.
if a conclusion is to be made(in my mind) then all of the data needs to be used. anything else doesn't compute(pun intended)