I'd think this is more an example of a "genetic fallacy" rather than "ad hominem".

I.e., impugning the argument based on who presents it.

Thank you for the correction! Won't mix up my fallacies next time.

Isn’t military service in Israel compulsory?

You must refuse to participate in the forces committing these acts.

https://youtube.com/watch?v=MQ1TAOibLss

And if the state is compelling its subjects to participate, let's have an honest discussion about what that says about this state.