I agree with you because football is about strategy and there is no way luck will be enough in the final result. Dortmund and Real Madrid were much better prepared to play in the final and both of them did their best to qualify for the final with very satisfying results. Dortmund's task now will be much tougher because they have to face the king of the Champions League and facing pressure in the Champions League will be much different from the domestic league.
Of course luck is the biggest gift they get and that happens because of the hard work they have done so far. The focus is now on the two teams coming out as champions and we want to see how the two teams can play with more pressure in the final match, so that it doesn't get boring when we watch these considerations.
If we evaluate the chances of the teams in the final, then it seems to me that Real seems to be the more likely winner, but I think that Borusia Dortmund understand that perhaps after this final they will not have the opportunity to play in the Champions League final for a long time after this, so they will take this match like the chance of a lifetime.
Maybe I would even like Terzic to win, because for him this is a great opportunity, winning the Champions League final is a great achievement. I also think that after the final he will receive offers from other clubs, so perhaps these are his last matches with the team. I know that Real are the favorites in this final, but they will have many more Champions League finals ahead.