Bridgy Fed, a bridge between the Fediverse and other protocols such as BlueSky, is using an opt-out model and that raises a lot of discussion
Github ticket: github.com/snarfed/bridgy-fed/issues/835
![](https://kbin.life/media/cache/resolve/entry_thumb/2a/8e/2a8e523105602d6c8344c7f8c8ce53d4f6b2653381463462daf8f08269d5f978.png)
There have been multiple accounts created with the sole purpose of posting advertisement posts or replies containing unsolicited advertising.
Accounts which solely post advertisements, or persistently post them may be terminated.
Github ticket: github.com/snarfed/bridgy-fed/issues/835