If you are running a consumer-facing company, your north star metric will likely be geared around conversion of sign-ups. Typically, the way to boost conversion has been by spending more on marketing.
I personally like the ability to customize my iPhone home screen. As a company, it is nice to insert fun emojis and create custom documents in our Notion. But I missed the memo when KYC became a fun, choose-your-own-adventure novel.