Tom Morello -- Lay Off Jay-Z & Beyonce Trip to Cuba

Tom Morello from "Rage Against the Machine" says everyone needs to stop bitching about Jay-Z and Beyonce's Cuba trip.

Tom was out in L.A. Friday, when our photog ask the rocker -- who's a pretty well known political activist and founder of the non-profit "Axis of Justice" -- about the controversial trip to the country famous for cigars and human rights violations.

Unlike lots of others ...Tom had their back.

In the process he dropped some Cuba knowledge ... explaining how to get in and out of the country ... legally.

Check it out.