Why was Sonic The Hedgehog's original movie design changed?

When the first trailer for Sonic The Hedgehog was revealed in 2019, the internet erupted into disgust at his creepy new look, prompting a total redesign

Sonic the Hedgehog (film) - Wikipedia

Sonic the Hedgehog Gets Bigger Eyes, Smaller Teeth After Backlash

Sonic the Hedgehog's live-action movie look, redesigned - Polygon

Sonic The Hedgehog's New Design: See Twitter Backlash Over Leaked

Sonic Movie Comparison: Here's The Old And New Designs Side-By

Sonic the Hedgehog director promises Sonic redesign after fan backlash

Sonic The Hedgehog 2 Poster Changed After Fan Outcry

After trailer outcry, Sonic the Hedgehog director tells fans to

The best fan redesigns of Sonic for the 'Sonic The Hedgehog' movie

The scrapped 'Ugly Sonic' movie design has a cameo in the new Chip

What Changed? Old Vs. New “Sonic the Hedgehog” Movie Designs