You're looking for information on WiFiKill, a tool that can potentially disrupt or "kill" WiFi connections. I'll provide an overview, and then we can dive into specifics.
Wireless Penetration Testing 2025: Wi-Fi & IoT Security Guide wifi kill github 2021
Using such tools to disrupt networks you don't own or lack explicit permission to test is illegal in most jurisdictions (violating laws like the Computer Fraud and Abuse Act in the US, or similar cybercrime laws globally). You're looking for information on WiFiKill, a tool
The sophistication in 2021 came from automating the reconnaissance phase: scripts that used airodump-ng to find all nearby clients, then killed everyone except the attacker. You're looking for information on WiFiKill