Churches are like people. Each has it's own personality. And different churches attract different people. As long as Christ is preached, it's a good thing, not a bad thing.
Megachurches can offer discipleship courses and training that a small church cannot. Megachurches often have entertainment facilities, gyms, sometimes even bowling allies, that can serve as an outreach ministry to bring people into the church to hear about Christ. They will usually have a lot more activities outside of the service where you can get to know people.
You don't get to know everybody in a megachurch the way you do in a small church. But you can go to a small sunday school class and get to know people there. If you're active in one or more of the ministries, the choir, visitation, room at the inn, etc you get to know the people who participate in those classes and ministries.
Do you really believe that as long as Christ is preached it’s necessarily a ‘good thing’?
Christ can be ‘preached’ in a lot of different ways.
(When I first arrived on the scene here, I was called all kinds of names because of the interpretation to which I adhere.)