My brother’s first job out of college was in research & development at PPG Industries. They developed a new resin that was very durable & could be used to make sinks, tubs, etc. These sinks were a beautiful blend of colors that would have dressed up our bathroom but they had one little flaw: not enough resin had been poured into the mold in order to complete the channel from the overflow hole to the drain. The sink itself looked great but any water that was splashed into the overflow would have ended up in the bottom of the vanity rather than running into the sewer line. They looked great, they could even be used but eventually their defect would have caused major problems.
Many churches have a debilitating defect: they have the Bible, they have people of faith but they do not welcome the ministry of the Holy Spirit into their fellowship. In fact, some churches actually bar Him from being active. Sooner or later that flaw is going to cost them. Holy Spirit, You are welcome in this place.