Yup, like Evil mentions, the boat exit is super convenient for the “proper” method of poisoning Tzun and killing Lee Hong in the mansion, but for the sniping method (or any method involving killing him in the restaurant), a street exit would´ve come in handy 
Hey, I did! And so did Pollisya as you can see 
Remind me, which button toggles the slow mo on? 
I am killing Lee Hong from the rooftop when he inside the restaurant, which is the most easiest way to kill him.
I usually do the poison route and then slit Lee Hongs throat in his mansion.
To do that poison solution need to kill civilian and this cost a lot of money.
Probably a reference to Say Hello To My Little Friend by the devs.
Padre Vittorio had him do a few Hail Marys for that one, I’m sure.
This still wouldn’t excuse its weird placement in my opinion,which is so annoying gameplaywise.It also makes no sense why this is the only exfiltration method on the map.They could have also added a bus exit,a cliff exit or something similar if you asked me… 
It being the only exit is not a great move, I suppose. But it’s rather minor compared to the James Bond shenanigans 47 gets up to in some of the H2SA missions.
This would make the mission to easy.
How so?There’s literally a free way to get to the seaplane like it is shown in this random video I’ve just found on Youtube:
I don’t see how the mission would be less difficult with another exit to be honest. 
The plain is guarded.
Uhmm…But tresspassing isn’t a crime(ok,well,it can be and can ruin SA,but only if they start shooting when you’re not in the suit),so…?If you run straight to the exit once you get down there,then they won’t even have time to start shooting.
I think the option to poison the cocaine would have been great.
he was supposed to play a bigger role in the level but that got scrapped.
Another apparent Blood Money Mandela effect I’ve seen going around is that you can kill Vito in his TV chair (fiber wire or poison syringe) and his body guard will think he’s sleeping. That would have been nice because the guard goes out to check the power box when you take it out so it’s a perfect window then to kill him. The Hitman wiki even says this or at least it did a year or so ago, but whenever I’ve tried it the guard always recognizes Vito as a body found and starts going into alert mode
Vito?? You mean… Vinnie? Yeah, it´s been a while since I played BM, but from what I remember, the guard always recognised him as being dead regardless of the method I used (garrote, syringe, knife - the last one obviously being obvious due to the pool of blood). I always liked the method of killing Vinnie in the chair, since it had unique animations for both the garrote and knife iirc, but the guard needed taking care of if I wanted to keep it “clean”. Though even him coming back after fixing the fuse box and finding Vinnie dead was satisfying from a roleplay perspective.
Still, having the FBI car running him over will probably remain my favourite MO on this mission (well, that and the garbage truck).