Inviting means adding users to a group or channel in bulk using a batch of accounts. The scheme looks simple: scrape a list of usernames out of a topical chat, hand it to your accounts, each account adds its share, and the member counter climbs while you watch. That visibility is exactly why inviting stays popular — the result shows up within the hour, unlike outreach, where replies arrive over days.
The catch is that an invite has no consent step. The person clicked nothing; they simply find themselves in an unfamiliar chat. Three reactions follow: ignore it, quietly leave, or press "Report and leave". Only a minority pick the third, but that minority decides what happens to your accounts: a handful of reports in a row and the account gets a spam block.
The second problem is the quality of what you built. A thousand force-added members produce dead statistics: post reach drops, nobody comments, and part of the list leaves within a day. For selling ad slots that number works right up until the buyer looks at engagement.
So this page is not selling an invite module. Below are the real platform limits, an explanation of what exactly breaks, and the workflow that brings people into a group voluntarily.