[NorthMountain]

It was a critically flawed kludge that killed two crews due to inherent, known design flaws.

Shutting it down wasn't wrong.

Building it in the first place was wrong.

Having built it, shutting it down without a replacement was wrong.

[Moonman62]

Having built it, shutting it down without a replacement was wrong.

...

Why?

[MortMan]

The second incident was directly related to “green” materials put in place of original materials.

[BwanaNdege]

It was a critically flawed kludge that killed two crews due to inherent, known design flaws.

Both accidents were caused by known problems which could have been avoided except for political pressure.

They knew about the O-ring leakage in cold weather. Action? - "Launch anyway, we have a ton of great PR in place with the first school teacher as a crew member!"

Insulating foam chunks falling off the External Tank? - Thanks to switching to "Environmentally Sensitive Foam Insulation".

Keep politics as far from engineering as possible!