Both methods just use protein to trap large particles. The difference is that with gelatin, the process is reversible with heat. Magnesium silicate is just really pure talcum powder and it’s widely used in food service to clean oil.

This method makes the oil clearer but it doesn’t remove polar compounds, which are really unhealthy: https://lipidworld.biomedcentral.com/articles/10.1186/s12944-019-0980-0.

Polar compounds can be removed with magnesium silicate.

Could be too muche rinse aid being dosed by your dishwasher. White spots - not enough rinse aid, rainbows - too much rinse aid.