Yes, I agree, but it will be hard for new players to collect GNW1010 or sailor without doing plunder unless using money. However, for plunder and and getting more coupons in events like 9tails invasion, power is necessary.

Therefore I would suggest new players to use easy to get ninjas, like Hinata and Sasuke or Kimimaru to get pass early stage first, collecting power items. And once they reach lvl 60-70, that's when they should keep an eye on future lineups, but then they probably won't need this guide anymore xD