"people show their true colours in life threatening situations" no, they show you what they act like when they're mortally terrified, an emotion notorious for literally turning your entire brain off to the point where people who go into those situations as a profession need to be literally trained on how to not have that happen
in hindsight, it makes a lot of sense that macklemore would happily release a free palestine song that is AS balls-out anticapitalist and antiimperialist as it is, considering in 2011 he won a grammy with a song all about being poor and spending your money wisely while still being cool and looking fresh, bemoaning blind consumption.
it was a small domino to start with, sure, but the trail is there.