It's not a snob thing at all. Fast fashion is a euphemism for cheap disposable clothes. That part of the clothing industry is extremely harmful both environmentally and in terms of human decency.
It's the complete disregard for environmental (and labor) impact that defines fast fashion. Nobody would care if fast fashion was just about it being cheap or disposable.
You can argue Ikea has had huge environmental impact, but you are commenting under an article that highlights some of the ways they're reducing that through materials.
