I very much know that I'm using an ad hominem.
But people's characters trickle down to what people think, say and do.
And Gandhi has been subject to nearly a century of hagiography trying to conceal his many character flaws; of which his creepiness with underage girls is only one.
Even a broken clock is right twice a day, but it should be pointed out when the clock is broken even at those two times.
As for Christianity, Matthew 7:15-20.