I don't think neither of your bets will fail, actually i think both can win. Bookies think it won't be easy for PSG, but realistically this final should be easier for them. Arteta can sit back and wait for counter attacks, but can Arsenal really defend against Dembele, Kvaratskhelia and Doue? I don't think so. Far from it that Arsenal aren't a good team, but right now i don't think they're playing better football than PSG
We have seen how the strengths of both teams have been throughout this season. We know PSG has an aggressive attacking line. If Arsenal wants to match PSG and play openly, then they have a chance to compete in terms of goals. But I think Arsenal's defensive style has been more effective throughout this season with quick counterattacks. I'm not sure if that will work against PSG, but maybe Arteta will also make some strategic adjustments in the final to slow down PSG's pace of play.
This game is going to be very interesting because a lot of people are talking about this game but majority are only seeing the aggressive attacking of PSG that is why they have so much confidence for them, but I usually tell them that arsenal also have a very strong defensive, in this case Paris Saint-Germain really have to put so much efforts in dealing with that, likewise Arsenal's attacker have to be Sharp because if Paris Saint-Germain fail to penetrate their defense that will be an opportunity for them.
They are only talking about aggressive attacking of Paris Saint-Germain, what about their Defense it is not as strong as Arsenal, their strength is just like 50/50, arsenal have good Defense while Paris Saint-Germain have good attackers.