When Threads arrived in early July, people created 100 million accounts almost immediately, funneled there straight from Instagram. Then it quickly declined, likely because it was artificially, unnaturally, and inorganically grown in the shifting sands of a mismatched set of users. Meta’s Threads icon Ellen Huet for Bloomberg news: On Twitter, I follow loads of journalists and news sources. On Instagram, I favor friends and visual creators — dancers, textile artists and illustrators. Threads tried to make a Twitter replacement out of my Instagram social graph, and personally, it’s falling flat. Fancy footwork on Instagram doesn’t often translate to pithy one-liners or important news flashes on Threads. In its first few days of life, Threads cashed in on Instagram’s scale…