Wrong. To mention a few:
5.2 TTK change [Megathread]
Post 5.2 Feedback Megathread
forums.battlefield.com/en-us/discussion/194733/megathread-ba
UK servers [Megathread]
forums.battlefield.com/en-us/discussion/186927/megathread-when-is-this-whole-couldnt-fetch-your-report-thing-fixed/
[Megathread] Performance issues/Stutter BF5 - PC
[Megathread] SLI and DLSS issues
and often topics just gets collected in the announcement thread, like for patches, blog posts etc.