In trying times you're missing the big picture. If they were more commonplace, you'd have a decentralised communication network that can't be shut down by the government.
While this argument makes sense on paper, it completely nullifies the point. Both should be taught for the following reasons:
You can educate people all you want, but that will not stop the people who simply never gave a flying fuck.
Okay, now you're back to square one, there are evil men out there that don't give a fuck about anyone and WILL abuse you given the opportunity. Thank god they received a talk about how you shouldn't hurt women when they were in 6th grade.
You are now still in a situation where you have to respond to violence, but since self-defence wasn't taught to you, you have to be a helpless victim of said violence.
"It is better to be a warrior in a garden than a gardener in a war."
But then the whack-a-mole game continues, and you're constantly having to find new extensions to serve the same task. When you could simply switch to firefox, deal with the very minor growing pains, and keep using uBlock with no problems whatsoever.
I've spent a fair bit of time in Denmark, small population with fewer news sources makes thing spread VERY quickly. Not to mention, they are very patriotic. I'll ask some Danish friends about it and report back.
In trying times you're missing the big picture. If they were more commonplace, you'd have a decentralised communication network that can't be shut down by the government.