In the early days of 5G, the improvements to mobile and broadband services beyond increased speed and latency were limited, and so the difference from 4G was small, which made it hard to market to consumer.
What primarily underpins 5G monetisation is pricing upsell – if operators want the consumers to pay more, they must offer more. That could be more data, faster speed or lower latency, for the operator to monetise the consumer more than they are able to for 4G.