I believe she's saying that she wishes lower level players could contribute more to gym fights so they had something else to do besides catching rats until they're level 20. Especially as the game ages and the gap between casual players and more heavily involved players increases. And she doesn't find, in her experience, beating on high CP Pokemon to be fruitful (and thus, not enjoyable).
I don't expect my lower level pokemon to single handedly bring down a higher level gym, and I'm not asking for that. I'm just annoyed that I can't contribute to the effort at all.
I wish I could contribute even in some small way, rather than looking at a high level gym, saying "oh well", and going back to catching pidgies.
1. Find eevees. They are fairly common. You only need 25 candies to evolve them, and get 3 for each eevee you catch, 1 for each one you transfer.
2. Name the strongest Eevee you find "Rainer" to ensure it evolves into Vaporeon
3. Evolve that eevee. You can now change its name to whatever you want.
4. Put ALL of your stardust on this one pokemon until it won't let you put any more on it for your level.
5. Get more Vaporeons.
The lowest CP I've ever seen an eevee once its evolved is 500. With this, you can effectively bring down any gym with pokemon up to 3 times your strength due to Vaporeons insane amounts of base HP and attack speed (provided the gym you are attacking isn't defended by stronger Vaporeons-- even so, defending AI controlled pokemon don't attack as quickly as player controlled ones so you can still beat them.)
Should your Vaporeon go down for whatever reason during the fight, you can still use 5 of your other pokemon
to finish it off. Whenever you battle a gym, you get to use 6 pokemon against 1. Even if that gym has more than one pokemon, all that matters is defeating at least on of theirs to lower its level. Then you can simply heal them and repeat the process until the gym is yours. The gym could have 7 people defending it and it wouldn't matter because you can pick them off one at a time in 6 vs 1 battles.