You're right, totally implausible that a loaded 767 travelling at about 400mph would have had enough inertia to propel aircraft components that were on fire from impact a few hundred feet to a neighboring building ignitng a slowly growing fire on a lower floor, while everyone is focused on the towers it goes in noticed for some time and continues to grow.
Explain how heat can't weaken steel enough to cause a collapse and how the building was designed. In not a structural engineer, you must be please explain.
And again, what would said conspiracy stand to gain by taking out wtc7