Reason: We tend to for the Japanese version in most cases, and since most posts use the Japanese style, if it can be called that, I think this makes sense.
The reason we go with the Japanese version in most sitting styles is simply because there is no common English equivalent. "Indian style" is natural English and describes the same stance.
As for favoring the Japanese, that's only true with character and copyright names, everywhere else we use English wherever possible, hence the pantsu → panties and oppai → breasts aliases that were put in place long long ago.