[Lizavetta]

that’s the problem with our country’s leaders. They are more worried about tone than results! It’s not about being nice— it’s about being competent.

Can't argue with that. Most of them speak in well-modulated controlled tones like they're talking to 1st graders.

[Regulator]

Most of them speak in well-modulated controlled tones like they're talking to 1st graders

That's the mentality. "We're Highly Educated Superior Beings, and We Are Here to Explain it All to You Little People".

Thus the annoying, cloying sing-songy weird voicing.