namastE

I support using "विकीपीडिया"--- it makes sense in writing what is pronounced. BTW, Wikipedia is written in this manner in Telugu (my mother tongue), Tamil, Hindi, Bengali, Oriya, Marathi, Gujarati...

However, interestingly, to my knowledge, it is only in Kannada and Malayalam that Wikipedia is written as विकीपीडिय.

Regards,
Raghava