The answer to why would normies use a privacy enhancing product has been historically:

1. It’s as good as the no privacy product.
2. Somebody they care about refuses to use anything else (eg urs truly will only speak to their friends&family on Signal).

Now with advent of programmable cryptography and global scale decentralized databases the answer will simply become:

It’s better than the no privacy product due to increased competition driven by permissionless innovation with data.

Product Manager of Noir; casts about ZK, privacy, decentralization and protocol design.

Socials: https://icebreaker.xyz/savio