How was the Eroica Symphony received by critics and the public?

Eroica Symphony is the third symphony of the famous German composer, Ludwig van Beethoven. It is also called Sinfonia Eroica in Italian which means heroic symphony. The symphony was premiered on 1805 in Vienna and received an unfavorable criticism from the critics. It takes time for the critics to denounce it in public. One critic tried to defame it and one tagged the symphony as an immoral composition.