Are you talking about Dandadan? The way you compared it to CSM made me immediately think of Dandadan.
Anyway yeah it's true that popular anime brings in an influx of readers. I've never actually seen it act detrimental to the illegal sites hosting them though, for Jump manga most people are reading it on the official site.
Also if you ARE talking a......
this is actually the most useless confession i think I've ever heard and i need an apology from you for wasting 40 seconds of my life anticipating a great and compelling confession