I'm also strongly against any event that isn't actually a puzzle itself (2GEN, LSE, PLL time attack, etc). They're good for training yourself, but I see no point in competing in how fast you can do substeps or a set of algs. And if you really want to compete in them, all of these exist already on cubers.io.
While I've never done them, I appreciate that 6BLD and 7BLD exist on this competition, as they don't exist anywhere else. Maybe it would be better to make these monthly rather than weekly to encourage participating and get meaningful leaderboards, but I imagine this would be complicated for yearly statistics.