Sunscreens that use zinc/titanium dioxide as active ingredients are often so unpleasant to use that people don't apply enough of them or refuse to use them. The "nicer" sunscreens that use these ingredients often sneak in SPF boosters which are actually derivatives of other chemical sunscreens but are treated differently on the ingredients label, pretty much cheating the system.

SPF boosters: https://labmuffin.com/100-mineral-sunscreens-using-unregulat...

The coral-safe sunscreen claims don't have a lot of evidence behind them:

https://labmuffin.com/is-your-sunscreen-killing-coral-the-sc...