For the record, I am very strongly in favour of
keeping the behaviour that reachers and jumpers can exit.
Reasoning: a jumper/reacher is a lemming in an
active rather than
passive state. At the moment, fallers and splatters cannot exit (both are passive states), which prevents direct drop. Conversely, jumping into an exit feels like a perfectly acceptable and
expectable game mechanic rather than a bug.
Keeping rules simple is important, sure, but if floaters and gliders can exit in midair, then jumpers and reachers should be able to as well. To my mind,
this is keeping things simple.
It seems to me that this is one of those things that largely comes down to "what do users prefer" rather than it being an actual
problem with the game. If one user makes a level which requires jumpers to be able to exit, and another user makes a level for which jumpers exiting would be a backroute, then it's just one user's preference against the other.
In response to comments:
For the record, I deem it an inconsistency that floaters/gliders can exit, but fallers cannot.
I want to agree because I like the direct drop mechanic, but - as stated above, I would deem floater/glider to be an
active lemming state, and faller to be a
passive lemming state.
A splatter is already dead. An ohnoer is still alive.
So is a jumper/reacher. Why should ohnoer be able to exit and not jumper/reacher?
If I had to propose a specific rule, I would say that the exit should be usable by walkers and any state that can be cancelled by assigning a walker, and unusable by all others.
Strongly against this idea.
If you want a simple rule:
any lemming which reaches an exit's trigger area by any means should be able to exit. That's simple enough, and yet it has been rejected in favour of a more complex setup. Simplicity/specificity, therefore, isn't necessarily a good argument towards any behaviour being acceptable.
Side note: fallers can interact with traps. Everyone accepts this, so why not accept fallers being able to exit?
My point here is that, again, it comes down to preference and/or whether a solid argument can be made in favour of such behaviour.
There is no "rule".