60-100 tabs is a ridiculous amount of tabs. My husband makes fun of me for my “tab carcasses” pretty regularly, but I’m usually hitting the Onetab button around 40 open tabs. What this person is doing that they legitimately need hundreds of tabs open is beyond me.
It’s an Android setting. Assuming you’re in the US, you can disable all warning channels (including Amber alerts) except the National one, which I believe has to be on by law, but is only supposed to be used in apocalypse level emergencies. The Hawaii thing was triggered by accident, iirc.
On my S24, it’s in Settings > Safety and Emergency > Wireless Emergency Alerts.
I don’t know if it’s even possible to disable the National warnings, but you’d likely have to use adb or root your phone to do it.