Getty/Alamy Composite

Meghan McCain says Greta Thunberg 's gotta change her style if she wants to be taken seriously in politics ... 'cause right now, she's looking more like a fairy tale dictator than a voice for change.

The conservative commentator shared a clip of the 22-year-old political activist talking about a mass global uprising in the face of genocide, fascism and colonization perpetuated by governments around the world. Play video content

McCain couldn't seem to focus however ... writing on X, "I refuse to take anyone talking about politics seriously with uneven bangs and this sh***y Lord Farquaad hair."

It's a pretty ruthless assessment ... and, we'll let you take a look at the pics to form your own opinion -- but, it instantly got people online talking.

Some are laug

See Full Page