Two opportunities in one announcement
A layoff is usually read as a candidate event. A group of people who fit your market became available on the same day, and there is a genuine window before every other recruiter gets to them.
The second half gets missed. A company that cuts one function is very often hiring in another, because most layoffs are restructuring rather than collapse. The survivors have more work and fewer people. That is a business-development conversation, and almost nobody makes it, because everyone is looking at the leavers.
This play produces both from the same signal.
What you get back
A table of layoff events: company, scale in the words the reporting used, functions, location, date and source. For the events you choose to work: the affected people who match your brief, with personal email and LinkedIn. And the other side, whether the employer is worth approaching and who to write to.
Tone is the whole game
Everything in this play is mechanically easy. The part that decides whether it works is the message.
Do not open with sympathy theatre. Do not pretend you found them by coincidence. Acknowledge the situation in a clause, not a paragraph, then be specific about what you have and why you thought of them. People in this position read a lot of messages that week, and the specific ones are the ones they answer.
Attribution matters
The sweep surfaces facts from public reporting. Attribute the publisher when you refer to the news, and do not reproduce article text or pass a compiled feed off as your own dataset. It is a trigger for your work, not a product.
Where this goes wrong
Waiting. The window is days. A sweep you run monthly will find events everybody already worked.
Volume over relevance. Two hundred displaced people is not two hundred candidates. Qualify against a real brief first, which is free, then spend on contact details for the ones you would actually put forward.
Assuming an automated sweep catches everything. Public reporting is incomplete and inconsistent, and smaller redundancies frequently go unreported. Widen the window when it matters, and treat the sweep as a strong signal rather than a complete record.