If AI Replaces Human Labor Does That Have To Strip Human Lives Of Meaning?

A common worry is that technological development, and increasingly advanced AI in particular, will necessarily remove meaning from our lives. For instance, if humanity ends up in a situation of extreme material abundance, but at some point there is a lack of ability for most (or all) people to do work that's value-additive, will that lead to widespread depression and lack of meaning? While I think there are very serious concerns that advancing technologies, and AI in particular, raise (such ...
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What level of societal risk is too much to dismiss?

Suppose that if we humans keep doing an activity, then we'll have at least a P percent chance of causing the most horrible series of events so far in human history within 50 years. How big does P need to be before it's irresponsible to say, "Well, the horrible event is unlikely to happen, so let's not worry about it"? 50% (1 in 2)?5% (1 in 20)?1% (1 in 100)?0.1% (1 in 1,000)?0.01%? (1 in 10,000)?0.001%? (1 in 100,000)?0.0001%? (1 in 1,000,000)? To me, it seems bizarre to dismiss a thre...
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