To be fair, despite the privacy issues, the fact that I deleted my account has nothing to do with privacy.
It's just that I only bothered to catch up with chats maybe once or twice a month. I didn't even had notifications. And catching up = marking as read groups with hundreds of old messages.
So it wasn't useful for me, and I've been told that it wasn't useful for friends, since I was holding the blue check marks on their messages.
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