Why modern running shoes can’t be worn as casual shoes? /u/tmc08130 /r/malefashionadvice

I find that people back in the day actually worn their running shoes as casual shoes,for example like Nike Coetez, Nike Air Pegasus 83 and New Balance 990. But surprisingly people still wear them as casual shoes nowadays. So what makes modern running shoes so bad from style viewpoint?

I find that people back in the day actually worn their running shoes as casual shoes,for example like Nike Coetez, Nike Air Pegasus 83 and New Balance 990. But surprisingly people still wear them as casual shoes nowadays. So what makes modern running shoes so bad from style viewpoint?