After a thorough investigation of this matter, I found out that a guy named @vato is under voting all posts that are about waves. Here is a proof of this:

It's a snapshot of his profile, for more details click here.

This is completely unfair to all these people and should never go unsettled. You should ask your question in the #help channel on steemit.chat, the users there may be able to help.

And also try to contact the other users who have suffered like you from this injustice.