Some tidbits: your comment is like saying "there surely must be less painful ways for your body to tell you to be more careful with a hammer"
In a trivial sense, it's true. But real pain and annoyance is exactly what it takes for people to prioritize dealing with a problem. These sorts of things are a healthy immune-system flare-up showing that we're not totally doomed.
The way to avoid such annoyance is to not have let the problem get as bad as it is in the first place.
I mean, who is going to get stuck in the air for an extra hour, land, and say "man, those guys are right".
At worst, it would just make me feel contempt for them. At best it just invigorates the people who already were on their side.
Really, listen to the podcast.
There are indeed lots of questions about the right way to do this.
When your body flares up like crazy over an allergy, many people indeed get contemptuous about their own immune system rather than just hate pollen. So, it's not like just any and all mayhem in the name of a cause is helpful…
If you abuse terrorism charges and make it so no protests of anything are ever really disruptive, things that threaten the long-term stability and health of society will go unaddressed until they actually cause far more catastrophic problems.