For clarity: 50 amp service is split into two 50 amp legs at the load center of the RV. 100 amp service is split into two 100 amp legs at the load center of your house. They are not equal. The house has twice the power available.
FWIW, when I restored my old Starcraft, I installed a 50 amp load center and the requisite 50 amp power inlet. I have the alike amperage circuit breakers divided between the two legs, an equal number on each side of the load center. I've found that allowing for headroom from the supply side is best practice. Once you start tripping breakers and overloading circuits, any common electrical problems that may ensue become more complex. The only downside to 50 amp service in an RV is the additional cost of the shore power cord. A user with 50 amp service can always connect to 30 amp CG service with the appropriate adaptor.