6Mission design needs to correspond to game engine’s strength
Source:GrandTheftAuto.net
Some of the missions such as jumping with a dirt bike onto a train as Trevor ought to be entertaining, but the things you are worried about are bugs and waiting for the cut scene to appear. On the other hand, there are missions such as the Humane Labs stealth infiltration which is more satisfying and inline to the strength of the game engine. We need more of that in GTA VI.