It seems like mods that provide lineups only when they believe it is the best in respect to the class at the time of posting. Also it's much harder to define a "f2p" lineup since a early f2p lineup is just ninjas you can get via shop and instances while a mid f2p lineup would have some rares via kage/gnw and/or have been able to get iruka via refining fragments. If these mod provide these f2p lineups and they're not confident how great they are and people use them and don't see any special about it, they're most likely complain.