Blockchain data is public. Anyone can see your wallet address, your trades and your balances on a block explorer. Your MemeWarzone profile is tied to your wallet and is the same on every chain: picture, name, @username and bio. Posts, follows, comments and league and battle results are public.
No account or email is needed to use the app. The email you give in an abuse report is used only to tell you when the report is updated, and only you and the abuse team see the report.