Most folks took 70% to mean that she would certainly win and were bitterly disappointed the morning after.
On the other hand no sane person would (willingly) play Russian roulette with a 70% or even 5 of 6 chance of "winning".
In everyday life, one conflates probability with severity of outcome. This is normal and is part of how people assess and act on risk in a qualitative way.
Hillary Clinton had a >70% of winning the US presidential election according to the most responsible analyses (see 538: https://projects.fivethirtyeight.com/2016-election-forecast/).
Most folks took 70% to mean that she would certainly win and were bitterly disappointed the morning after.
On the other hand no sane person would (willingly) play Russian roulette with a 70% or even 5 of 6 chance of "winning".
In everyday life, one conflates probability with severity of outcome. This is normal and is part of how people assess and act on risk in a qualitative way.