Kerbal Space Program

Science module has two doors and the expected one, for me, to see Kerman on EVA is the right one (seeing in construction hangar towards the launchpad). However, when making EVA in space, Kerman gets out through the 'back door', so if I placed measurement instruments by the right door, it's not right. Fine. Some may have expected that kerbals will walk out the other door so 'fix to match my expectation' would break the others' designs.

The worst thing is the kerbals apparently share my expectations and when got out of science module find themselves back to the ladder or handles. They panically turn back to grab the handle. This adds rotation to the ship and changes its speed. When such maneuver is made few times close to Kerbin with a ship going towards Minmus, the trajectory changes so much that the Minmus is passed by then on the other side and the maneuver that has been planned earlier would cause the ship hit the moon instead of establishing safe orbit if not corrected.

So the bug influences spaceflight safety.

When a part has more than one exit, the default one should be selectable. Either exit is default, however, the kerbal must get out facing to the door, not outside. The momentum must be preserved.