One objection to "more democracy" is that voters will vote in whatever way gives themselves more political power, without due regard for the institutions they are voting to modify or the enfranchisement of the minority.
While voting is every person's due right in democracy, it is the impulse to gain undue political power that would seem selfish. Racial disenfranchisement in the US would be a clear example of this.
Do American voters do this nowadays? Given the chance, do they vote in whatever way increases their own authority and / or political power?