Do you need to reach the melting point of steel before it will drop its payload?
No
How hot does it have to be before steel loses 50% of its strength?
~538C
How hot does it have to be for steel to lose 80% of its strength?
~730C
After you answer that, how hot are indoor fires? 900-1200C https://911research.wtc7.net/cache/wtc/analysis/fires/doctorfire_flametmp.html
But but but there was molten metal.
There are other metals besides steel.

Whattabout that orange liquid? clearly THERMITE!!! It’s Orange not white!

Aluminum does not burn white when it has debris in it.

Does this mean the “Official Story” is true?
No

But you’re saying fire can collapse a building.
Yes. CAN is not DID.