> I mean it also accurately depicts relative land mass sizes?

At the cost of distorting shapes and distances.

> compared to Mercator

The UN resolution compared Equal Earth to Mercator, a comparison Equal Earth easily wins in many circumstances. But the comparison should not be to Mercator, but to other widely used projections that do a better job of minimizing distortions generally, such as Winkel Tripel.

The UN resolution is explicit that Equal Earth was chosen specifically for “social justice”–type reasons.