The interesting thing about Klinklang right now is that there are a bunch of different variations of it. I don't want to give out my friends techs or lists, but John's version is a lot different from Brit's, which are both different from the version that did well at Asian regionals. All very different, but all very good. And Gear Grind isn't that bad of an attack. I know John used Gear Grind and Smash Turn (with the basic Klink) a whole bunch when he played against my Quad Sigilyph deck. Not the best attacks ever, but the potential 160 from gear grind is still a ton of damage.
Overall great article. I think looking at what other players think is good is very important to making smart meta decisions yourself. I know I look to what Brit, John, and Curtis Lyon are playing when choosing and building my decks.
The team part is really important. I know I've had a lot more success this year thanks to the help of player's much better than myself. I think you nailed the main point though, at the end of the day you need to prove yourself and contribute good ideas yourself. Too often I see people just trying to leech for lists, instead of building stuff themselves or helping to collaborate to get a deck to its top level, and just trying to take someone else's list and say, cool got what I need, good bye.
It's important to understand that players with different playstyles can really help you better your decks. For example, I had my Quad Sigilyph deck built with just Mewtwo as my non-ex counter. John mentioned Cresselia EX as a possible inclusion in the deck, and the reasoning was really solid, and I can say I wouldn't have done as well as I did without Cresselia (getting paired against bad matchups like Garchomp and Excadrill, and being able to win both many he's thanks to Cresselia).