Discussion: weighting inside view versus outside view on extinction events

Articles covering the ideas of inside view and outside view:

Beware the Inside View (by Robin Hanson)

Outside View LessWrong wiki article

Article discussing the weighting of inside view and outside view:

The World is Mad (by ozymandias)

A couple of potential extinction events which seem to be most easily mitigated (the machinery involved is expensive):

Broadcasting powerful messages to the stars:

Should Earth Shut the Hell Up? (by Robin Hanson)

Arecibo message (Wikipedia)

Large Hadron Collider:

Anyone who thinks the Large Hadron Collider will destroy the world is a t**t. (by Rebecca Roache)

How should the inside view versus the outside view be weighted when considering extinction events?

Should the broadcast of future Arecibo messages (or powerful signals in general) be opposed?

Should the expansion of energy levels (or continued operation at all) of the Large Hadron Collider be opposed?