To put it another way its popular BECAUSE it does well, not just because people like it. Where Y-Wings, Hawks, or Contracted Scouts really popular and everyone secretly loved running them? OR is it more likely that they did well, Thuglife, TLT HWK, U-Boats, and people wanted to win therefore they become the favorite, aka Popular, thing to run.If we're talking tournaments here and people who want to win tournaments there's a strong chance what's popular at the top is also very good.
People bring what list they feel has the best chance of winning. Now, if they were doing that by imitation only and the 'meta'lists weren't also very strong lists, how come none of the very crafty individuals in the x-wing community hasn't figured out yet how to regularly beat them?
The fact that, despite knowing with pretty high accuracy which the lists to beat are, nobody has managed to beat them consistently is IMO proof that the 'meta'lists are indeed very strong,not just very popular.
Defenders are one of the best examples of the opposite of this. People love that ship but only a few have been able to make it work and it's rarely seen despite that.
Im actually one of the people that LOVE the defender, but it got the shaft when it came to its points cost. Id argue if you flipped the points, Contracted Scouts 30, or even shave them to 27, and the base Defenders being 25 then BOTH ships would be much more appropriately costed.