Because serious believers went away. That left nothing but a silly shell.
My husband and I have not been in an organized church for the last 15 years. I have often times thought if we should have stayed and fought for the Truths the Lord was showing us...but what little we did share at the different churches we attended was not received well. We have been happy and at peace since we left the “church.” Our faith has deepened as we have taken the responsibility for our own spiritual growth through consistent study and prayer.
There is the admonition “Come out of her my people and touch not the unclean thing.”