"The only way to do this mission is with a smurf"
Believe it or not, new league players do still come every now and again. At my college campus there are a good amount of people that are new to the game, just to give an example.
The point is to encourage people to get their friends to play and help level them up together. New players are rare, but they aren't extinct.
yes, people WILL be using smurfs to complete it, that is unavoidable.
But the way the Op worded it, "only way to do this", implies that there are literally 0 new players in all of existence, which is absurd. If OP used a word other than only, I wouldn't be making this comment. But OP's choice of words imply that there is not a single new league player on earth.
Word of advice, if your making a post like this, use grammar that doesn't imply unrealistic things like this.
Word choice is important.
Saying "one of the only ways" would suffice.
But by OP saying "only way", that implies smurfs are 100% of new accounts. New players hardly come anymore, but to say that they don't exist is straight up decieving.