The retail model has changed significantly enough that as-ordered semi-automated clothing manufacture might be feasible.
Instead of tariff sizing clothing, sending it to brick and mortar retailers who sell out of some sizes and mark down others, custom sizes and colors could be ordered online, manufactured domestically to avoid a 4 month import lead time, and shipped directly to the buyer.
If they can already do it with men's shirts, suit jackets, and pants, it's just a question of price and market acceptance.
Exactly right, Kanye may be ahead of the trend and will make bank. Especially in women’s wear. When you find a garment that really fits you well and looks great, you always wish you could find another. Being able to order it in new seasonal colors or fabrics would be very popular.