What might this latest occurrence in the world of social media mean?

Former Girls' Generation member Jessica has suddenly gone on a rampant unfollowing spree not only on Weibo but also on Instagram and is now following absolutely no one. While she was never following that many people on Weibo, she was following a good amount on Instagram.

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Fans are showing concern over this latest development with sweet comments like, "Whatevet you do it's ok as long as you're happy..just take care of yourself..i'm always at your back..fight for your success and happiness..i hope there is good news why you unfollow your friends...saranghae Sica..aja aja [sic]," and, "why you unfollow your following? in weibo and youre instagram? whats wrong eoni?? [sic]"

Why do you think she may have suddenly decided not to follow anybody on SNS?

Tip: Sona