At least for Android, you can pick your default browser from a selection in the installation when you first setup your phone. So no, Chrome is not necessarily the default on Android.
But can you not also just scale up the defense systems in parallel with the ballistic missiles carrying warheads? If we can expend billions for the construction of thousands of intercontinental missiles, can we then not also build tens of thousands of interceptors, maybe a handful for each potential incoming nuke?
Too little, too late. Military intervention or nothing, Israel and Gaza need to be taken in by UN peacekeeping forces and a new dialogue needs to be started about how to find a permanent solution for the coexistence of Palestinians and Israelis. If the need exists, maybe even deconstruct the current Israel to make way for a more tolerant and democratic nation that respects people of all origin.
C is not the problem, it's sloppy "programmers" who cannot handle direct memory control and who do not understand the underlying system architecture and how a microprocessor operates. People who are good at writing C can make code just as safe as the safest Rust code.
They are not pure cancer. You should be more grateful for the effort the FOSS community volunteers are putting into creating a free as in freedom ecosystem, without any reimbursement whatsoever. Instead, they're having their work attacked by folks like you.
At least for Android, you can pick your default browser from a selection in the installation when you first setup your phone. So no, Chrome is not necessarily the default on Android.