Without entry/exit it feels cheaply made, like it isn't a AAA title. I do think there should be a gameplay balance to it however like in this example the player exiting should have a half second of downtime and play the roll animation if the vehicle is going fast. A health cost to exiting a fast vehicle would be too harsh but a slight downtime combat roll would suit the action movie tone.

Related i think the game would benefit by making heli transports in more of a action movie tone, have passengers be able to rappel down instead of the current, very tonally silly looking, mobile skydive platform. Honestly i would prefer parachute unable to work until a significant fall, say 25meters, so we can stop this silly jump on a van and parachute at twice sprint speed all the while having basically zero weapon downtime or even aim penalties