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

I have been seeing this debate on Twitter. Do you think it is necessary to change Sonic's current model ? : r/SonicTheHedgehog

Sonic the Hedgehog' Movie Delayed to 2020 to Change Sonic's Look

New Sonic The Hedgehog Trailer Shows New Character Appearance

Sonic the Hedgehog movie is getting delayed to redesign the title character

For people who still think that the original trailer was a publicity stunt. : r/SonicTheHedgehog

Sonic The Hedgehog Movie Reveals Official Redesign - IGN

Sonic the Hedgehog 2' Director on Post-Credits Scene, Jim Carrey

Sonic The Hedgehog Movie Trailer Comparison - Old vs. New

Yuji Naka Gives His Take On The New 'Sonic The Hedgehog' Movie Redesign

Ball State Daily

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

Sonic movie: New trailer shows redesigned hedgehog after fan backlash - BBC News

Sonic the Hedgehog' Tries Again: Does the Redesign Work Now? - The New York Times

8 CGI Designs From Movies That Fans Hated and Caused Backlash