A very efficient hooded vent....
True that. Otherwise it wouldn't be efficient at all........ or use an outdoor grill....that exhausts to the outdoors, not back into the kitchen.
Depends on the kind of fish too... I like to grill salmon, either on cast iron or over a kitchen gas grill and they really stink up the house if I don't run the vent full blast.
My wife likes to fry orange roughy (frozen ones from Costco) and they tend to cook odorless for the most part even without the vent running.
A lot of kitchen range hoods aren't vented, so the filtering is useless. Fabreze is pretty good but like you say, you have to run around spraying up in the air like the fresh air nymph, lol. In 20 years, drones equipped with Fabreze will take off...spray...go back...land...recharge and load up on Fabreze...take off...spray Fabreze...fly back.