Earlier quoted context omitted.
No, it's a cynical question, which derails the conversation into an arbitrary technical debate. It implies/hints at/suggests there is methological issue. Murder is not some statistical event you have to expect, account for. Language/communication doesn't work the way you argue here. There is context. OP's question would be valid and common for science on e.g. the connection of total brain cancers and smartphone usage…
> No, it's a cynical question No. The cynicism is the insistence that it doesn't matter. > ...which derails the conversation If the answer were "There has been a decrease in the total number of activists, therefore the record is worse that the absolute numbers imply" would you make this accusation? No. No you would not. You would insist, correctly, that it was very relevant. You would rightly look with suspicion upon…
Likewise you wouldn't discuss a rise in Al Qaeda terrorist attacks in relation to US population growth, or cartel excutions in relation to Mexico's birth rate. What you are interested in is the number of organized, state-like, violent offenders only, not the pool of their victims.
I hope my point gets across. Not a native speaker.