Coming from groups that just pickup busses of people to murder, I wouldn’t be so sure that firing back at the US would be out of the question.
The distinction is those are cases where they are murdering Mexican citizens. If a cartel murdered a bus of people in America I suspect most any administration would retaliate in some form.
who are we (the US)? People who wantonly murder people on fishing boats, etc.
This is different.
See, Drug cartels over here operate with the blessing and favor of our president. They are tightly connected.
If a cartel dared to ground a US flight. The US government would have a "free pass" to break all hell loose in Mexico, and Sheinbaum wouldn't have a way to stop it.
She doesn't want that in any way, so the message to the cartel bosses would be to be very careful in that respect.
Sure, there have been US citizens killed within Mexico here and there, but those can easily be attributed to local violence. And as retribution, Mexican government sends a couple of wanted criminals to the US.
Murdering buses of people doesn't bring the full force of the US military on them. The difference is the risk not the depravity.