Many airlines offer a Premium Economy product which offers wide seats and more legroom (think domestic First Class). They don't tend to sell well; Turkish Airli

Many airlines offer a Premium Economy product which offers wide seats and more legroom (think domestic First Class). They don't tend to sell well; Turkish Airlines is in fact removing them from their aircraft [0] — and many major airlines don't even have a Premium Economy cabin (United, Delta, Emirates, Etihad, Qatar, et al). Most people just aren't willing to pay for wider, more spacious seats. [0] https://www.runwaygirlnetwork.com/2016/05/23/losing-comfort-class-turkish-airlines-scraps-premium-economy/ https://www.runwaygirlnetwork.com/2016/05/23/losing-comfort-...