Seems like the outreach practices become increasingly spammy, and social networks get suspicious in advance. If you haven't been in active sales for 3-5 years, throw out all the hints you have: they simply do not work. Each lead generation is more complicated than the very previous one, and I'm not even mentioning B2B.
They say outsourcing agencies are more successful because of their continuous work. They just manage to adapt to the changes and anti-spam tactics. But I know about it as a theory, and maybe someone has a live experience with[https://outreachly.ai/services/] outsourced lead generation services[/url]. Please let me know in the comments