The baseball stadium will likely not bring down property values or increase crime. Casinos typically bring property values down between -2 and -10%. Newer studies (most recently in MA) have shown that casinos can either raise crime rates or decrease them. It's a crap shoot.

I'd rather not take the risk.

For the record, I don't think the stadium will be a long term success. It's a novelty that will wear off soon. I hope they do add concerts and other non- baseball related events there to give non sports fans a reason to go and make the venue more multi-use.