I’d actually rate a proper Lineage OS install of 4 whole Android versions ago to be more private than stock.

Its always the lineageos stans that can’t take the truth.

Would a research paper change your mind?

https://infosec.exchange/@rene_mobile/113431029855652363

According to this table, Google Pixels beat other devices listed there by far. Even Samsung S-series doesn’t look good

What about a security expert?

Overall, LineageOS does not leave a privacy-friendly or truly secure impression