First thing that comes to mind.
Habahnow
... It's happening right now bro. You're alive right now, and we're having extreme weather events right now.
Climate change isn't a point in which either before that point nothing happens and after that point something bad happens, instead as we continue with bad practices, things get continually worse.
We're having extreme heat, right now. Places with longer hurricane seasons, or where hurricanes are now way worse, etc. And things can still worsen.
What you seem to be saying is that, you don't care about your future and minimizing future issues, but also don't care about any family or friends that you have. Society has done so much, that here you are born, with Internet access to a federated app, electricity, many of life's privileges compared to our ancestors, people now and in the future would appreciate what help you can provide now.
That's what Buttigieg indicated. There are secure means of communicating classified information, with a process for ensuring people with clearance are the only ones allowed to view this information. I imagine those rules are in place exactly for this reason, to prevent accidental leaks.
The rookies that Trump hired probably didn't see the harm in doing it in this way, I mean come on, Signal is secure so what is there to worry about?
Who knows what else has been leaked to the wrong people accidentally.
"wow these ukrainians really abused the crap out of these people, they'll even lie about the fact that they were brutally abused! Maybe we have to be more violent to our captured areas.