Contests are good, they help the community, makes more people engaging in the community and make this platform flourish.
There are a lot of others that have had contests and not being flagged, like @onebitnews (even tho they have stopped, but its not because of flagging) and I also have contest going on all the time, atleast i try to have contest ongoing all the time. @norgesarkaden had only contests, but he havent been on steemit for some months now, not sure why..

I hope you will come back with more contests in the future, or make a new account you can run contests on.