Is it haram to say I don't believe in something about a disputed matter?

Assalamualaikum, I actually searched on google whether eating lobster is halal or haram? I found that hanafi school calls eating lobster haram, I live in India where mostly everyone goes with hanafi way, but I actually wanted to eat a lobster and I said in my mind I don't believe in it but I found out that only hanafi calls eating lobster haram. Will this be shirk as saying something you don't believe in it haram?