There are many things wrong with American Christians, the Church, and our religious culture in general. But if you continually choose to focus on the bad instead of what is good, it will affect your heart, your mind, your words, and your relationships.
To have the peace of God guarding your heart and mind and His love governing your speech, choose to think instead of the things that are true, honest, just, pure, lovely, of good report, virtuous, and praise-worthy.
There’s room for “calling out” the flaws in the called, but I must agree with Charles Spurgeon, “The church is not perfect, but woe to the man who finds pleasure in pointing out her imperfections.”