According to the Kano model what is perceived as quality changes over time for a product category. Ten years ago your phone reliably connecting to WiFi was a "

According to the Kano model what is perceived as quality changes over time for a product category. Ten years ago your phone reliably connecting to WiFi was a "Delighter" over the course of time it turned over a "Want" into a "Must Have". I'd say empirical evidence of quality is strongest in the "Want" phase but if something is considered a given and ubiquitously fulfilled, can it still function as a strong empirical indicator of quality?