Yes, God does have opinions and does know what is good for man. That is why He sent Jesus to explain it all. Unfortunately, most people who call themselves Christians don't follow His teachings or commands. Instead, they listen to the wolves in sheep's clothing who Jesus warned against. I call these people "Christians". Jesus did say that this would happen in the last days. https://www.reddit.com/user/ExperiencedOldLady Scroll down a little to Jesus is the New Covenant.

You need to study the words of Jesus then repent for your hardened heart. Matthew 7:21-23