WTC 7 didn't collapse from fire only, but on to 1 & 2 and your statement:
How many other steel framed skyscrapers have had thousands of gallons of jet fuel poured into them with a furnace-like draft to superheat the steel frame and cause the loss of structural integrity?
How come the fire fighters on the scene in the building and up the stairs thought they could "knock the fire down with a couple hoses"? And how could they stand the superheating while talking on the radio?
I have done advanced firefighting. Even diesel fires will cause steel structures to collapse. You don't have to melt it, just weaken it.
Then what caused the molten metal seen pouring out of the side of one of the buildings before it's collapse and in the basement below, for weeks?
Most of the fuel was burned off when the planes hit the buildings (fire balls) what was left burned for maybe ten minutes or so, black smoke. What does that mean?
Now, as far as WTC 7 goes, did you see the damage to it caused by the collapes of the other two buildings?
Seen a few. Have you considered the thermal conductivity of 90,000 tons of steel? In other words the steel frames in those buildings were 90,000 ton heat sinks drawing heat away from (cooling) any hotspots into itself then distributing it all along the whole structure. Ask Bro Curtis about heat sinks he's probably used them in his work. Much smaller versions though.