sharingan are hacked tools
It's a fact. If u have sharigan u can automatically copy jutsu, cast illusion,see movement,see illusion,
If u witness smbdy close die or hurt u automatically get M.S no problem what so ever. then u can automatically get amaterasu, susanoo,tsukuyomi etc. similary one ocular power also get automatically activated like K.A for sishui, Space time ninjutsu for obito etc without any hard work at all
If u transplant your relatives eyes to your self then u get O.P EMS . no training needed, no hard work , no problems what so ever
so in summary Sharingan are hacked tools. These are like cheat codes in narutoverse and only cheater use sharingan.