It is quite normal that organisations that have purchased the sole rights to sports broadcasting (an ordinary process in just about every country in the world) aggressively pursue alleged violators of their rights[0]. Domains being used to serve "pirate media" being blocked in various countries is also a norm[1]. There's nothing particularly special about this case aside from the media being interested because they can put Russia in a headline.

[0] https://www.theguardian.com/business/2017/oct/30/music-sport...

[1] https://en.wikipedia.org/wiki/Countries_blocking_access_to_T...