If I remember correctly, there's an old WT Yearbook that has the history of 25 Columbia Heights in it. As I remember it, WT wanted to buy the building but Squibb bought it before WT could. Once Squibb took posession they discovered that the building needed shoring up and Squibb had to spend millions sinking concrete pillars 90 feet down under the whole building....so, as you can plainly see, it was Jehovah's way of preventing WT from financial disaster. Further, when Squibb moved out and sold the building to WT, all the expensive work had been done and the building was ready for WT to move into and start printing!
Maybe it wasn't a Yearbook...as I'm typing this I'm hearing GB member Dan Sydlik's voice telling the story so it must have been something he talked about at a special event.