
Luke Robinson is a pure mess of an investigator as it currently stand, everyone has their own interpretation of how his effect of playing events as if being at a connection location actually works.
So until some FAQ on him is released I would say he is close to unplayable, you will be making up rules and spending insane amount of time trying to read the current rules to determine how his ability interact with them or reading conflicting intetperetations of how his ability works in given situations on both reddit, BBG and other places . Being consistent with what ever rulings you might come up I personally found to be extremely hard.
Some questions can be answered, but others like what happens to enemies already or becoming engaged with Luke during the event work when played at a connecting location work? - there are no clear answers in the rule book, under Engagement it only talk about enemies in the Threat area when moving, so what happens when you are not really moving but are just there as if. Do they follow you or disengage? - What if they already are engaged with you when you play the event - you are considered to be as if your are at the connecting location when playing the event so did the already engaged enemy "follow" you? or do they disengage and reengage? Do they do Attack of Opportunity?