Advantage of mimic over CMU's Flite (Festival Lite)

Archive - Mycroft Project Mimic
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As mimic git repo states " Mycroft’s TTS engine, based on CMU’s Flite (Festival Lite) https://mimic.mycroft.ai". What advantage it provide.
Why should I use mimic instead of Flite?

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Unless you have flite setup already, the scripts are built around getting mimic working.

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The compiled Footprint of Flite (with CFLAGS = -Os -s -Wall) comes around 16MB where as “eSpeak” footprint was just 2MB with same functionality.
What significant advantages are there that “Mimic” claims under section

Why should I use Mimic instead of other open source TTS tools

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I’m also curious about this

As a side note, mimic can use flite voices