You really think a 12 and under kid is gonna beat some guys on RM with an un-prepared team? Or rng a shiny , flawless or shiny and flawless poke?
It takes patience , determination and good comprehension to understand rng , it ain't easy
And it takes time to make that battle-team a winner ; with understanding each and every opponent's battle-style/strategy , type advantage/disadvantages , moves to use , and stats to give that upper-edge in battle when you need it most .
Pokemon ain't a kids game , get your facts right or face my groudon's 2094.4 lbs. body!