Plenty is doing.
"One perennial issue that commands attention is whether Mendel's data were falsified to improve the goodness of fit. Suffice it to say here that, in the majority of experiments, there is no indication of adjustment. At most there is a shortage of extreme deviates suggesting that a few experiments at the tails might have been disregarded or repeated."
Disclaimer: this quote appears here only to spark discussion. It is not endorsed one way or the other. Make up your own mind. Or just refresh the page for another viewpoint. From a collection assembled by the late Chris Brand.