These fashion shows are like concept cars, they aren't supposed to be practical. I think of it as a way for them to push and broaden the palette of what can be worn, which is something that I think we can relate to.
Things come and go. There are now entire businesses riding the Yellowstone wave:
Americans go ‘westerncore’ as Yellowstone fans adopt cowboy look | US television | The Guardian
'Yellowstone' inspires Western fashion trend among fans embracing 'cowboy couture' | Fox Business