According to (supplementary to the first section): If a certain number of players (and the number should be really "huge") are interested in something (* according to my experience, it was about a suggestion for improvement, a merchant who makes it possible to exchange WvW infusions), i.e. a certain threshold has been reached, then ANet reacts
The pvp for example, within a 2 month span, a player can grind out their maximum league tickets veeeery quickly per season, and then choose WHEN they want to run further matches over the course of 6 months to achieve roughly 670 games played. This is again, choosing when to fill 7 days worth of time playing pvp over the course of 6 months.IcpJU.