It very much does. Cops are humans if they see you know how to behave instead of making there job harder they will notice and appreciate that.
>Furthermore they're also generally pointing a bright spot light directly at you, destroying your awareness and ruining your judgement, so it's reasonable to expect that orders are going to be followed sluggishly and imperfectly)
Only if it's too dark to see, so once again help them to help yourself and turn on the light inside the car. If these simple instructions are too hard to follow you shouldn't be driving in the first place.
Their comfort is not safety. The original claim was that this had something to do with safety.
> these simple instructions
What "instructions" ? You have no standing to create instructions that others must follow. And if the cop hasn't gotten to the vehicle yet, then they haven't credibly given instructions (orders). So there are no relevant "instructions" here.
The reality is that the police officer is the party aggressing to create a confrontational situation. Therefore they are responsible for managing that situation. This includes not capriciously harming individuals who are acting reasonably but perhaps inconveniently for said officer. As I said, if they cannot handle their job of being public servants, then they have no business having a position of authority over the public in the first place.
(Also there are some mistakes in your framing. For a regular motorist who isn't planning on attacking the police officer, putting your hands on the steering wheel does nothing to effect the officer's safety. We're talking about a point before they've given you any orders beyond signalling you to pull over, so there is nothing to follow. Furthermore they're also generally pointing a bright spot light directly at you, destroying your awareness and ruining your judgement, so it's reasonable to expect that orders are going to be followed sluggishly and imperfectly)