It would be much cooler to have the interdictor device do just what its name implies. Interdict the target's drive from working. The target drops in normal space, the interdictor ship has to approach and drop on its wake. This gives time for the target to prepare, put some distance between himself and the drop point, engage silent running, call friends, call the cops, whatever. Increase the target's cooldown period if that's a concern. It's also an incentive for the interdictor to try and interdict targets as close as possible as opposed to hundreds of light seconds away. This gives rise to a cat and mouse game where chases across a system might actually take place.
What a nightmare... It would tear PvP interaction even further down than it is already. As an occasional pilot that takes on the role of a RP Pirate from time to time; ( May be outdated ) Dropping on a wake is quite annoying already for having no gravity well to slow you down, dropping on a wake and/or interdict someone only to end up in empty space because of instancing is frustrating. It's occasional, but happens often enough to be a frustration.
Giving time for the interdictee to flee before you even get there results in the same experience as interdicting empty space. Frustration.
Giving time for the interdictee to line up their reticles at me ready to launch a salvo or two before I can even deploy my weapons and send out a hail for RP purposes reduce the odds at decent PvP interaction even further.
The way I see it, this would only be incentive for more agression and meaningless zapp zapp.
As mentioned as-well, incentive to harass players out of systems by constantly interdicting them on their way to a station without even being able to defend themselves and turn the dice in a fair fight is a no-go for me.
It would only take 2 to 3 players to completely block off a Community Goal from ever having goods delivered.
No vote from me unless you suggest some amendments taking into account these concerns !