Almost all countries need to reduce their population.

On the contrary, actually, we need to increase our populations. Assuming that you mean an equal reduction in all demographics, the existence of productive, and hyper-productive people is mostly a game of statistics. A larger population means that more of such people will exist. Such individuals are necessary for pushing humanity forward. A nation with a larger population means a larger natural defence. A larger gloabal population decreases the chances of a mass-extinction event.

it’s stressing the system.

What specific stresses are you referring to? We have no lacking in resources, nor space. Economic activity is proportional to those acting within it.

One can find interest in an objects technological design while still acknlowledging it's horror when put to practical use. They aren't mutually exclusive options.

So long as the strangers they interact with may be armed it’s just an arms race.

I don't fully understand -- are you stating this as a counterargument to allowing citizens to arm themselves?

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Dude should never be allowed to own firearms again.

I would argue that, generally, one isn't responsible for the crimes that another commits -- the perp would have had to have trespassed, and stolen the rifle. What one does on their own property is generally of their own concern. This is assuming, of course, that the reason in which this occurred has no laws on the storage of firearms (whether such laws are justified, or not is separate argument, ofc).

You conveniently left out what immediately followed that quote in the article:

But on Sunday, Ramaswamy did not back down when he was repeatedly questioned about the comparison by Bash.

“I think it is the same spirit to say that I can look at you and based on just your skin color, that I know something about the content of your character, that I know something about the content of the viewpoints you’re allowed to express,” Ramaswamy said, calling the rhetoric “divisive.”