pah...lol
as a personality, icon, and a former great pop star? yes, she is absolutely still relevant.
as a maker of great pop tunes and worthwhile music?
not even close.
While I agree with Oh_Yeah that like/dislike of music and art is completely subjective, to write of one of the greatest pop music artists/entertainers/icons of the 20th/21st centuries as no longer relevant seems a bit off-base and smacks of personal disdain for said artist. It is a well-known fact that American mainstream radio - owned by HUGE corporate conglomerates - plays music based on corporate playlists and what "research" and "focus groups" tell them is "hot" or "relevant." Mainstream radio doesn't give a rat's ass about giving bands and artists equal time, or giving listeners a chance to make up their own minds about songs. They make up listeners' minds for them. This is the sad state of American music. MUCH of this behavior, IMO, is what leads people to think that Madonna is no longer relevant. Her music continues to be great pop music. Why does she continue to sell-out concert venues all over the world? The U.S seems to be the one place where success has recently eluded her.
Everyone is free to like or dislike an artist. But to say that Madonna is not talented or no longer relevant seems to me to be based on nothing but personal bias. I may not like Mariah Carey, but she has an incredible voice. I may not care for much hip hop, but I would never say that someone was "irrelevant" just because I didn't care for his or her music. Personally, I think a lot of people slag off on Madonna because it's the "cool" thing to do.