Murdering a random civilian and murdering a public official are also very different levels of damage, but we still outlaw and prosecute both of them. This is the same thing.
Not to mention, what constitutes a political leader? Just the upper echelon? What about local civil servants? Mayors, cops, judges? Are they gonna have a database of every public or political figure in the country? No they won't. This is absurd.
Many jurisdictions actually do have higher penalties for crimes of violence committed against public officials than ordinary citizens. Assault a USPS postal worker at a post office and you automatically have a higher sentence than assaulting a UPS worker at a UPS store.
Not to mention, what constitutes a political leader? Just the upper echelon? What about local civil servants? Mayors, cops, judges? Are they gonna have a database of every public or political figure in the country? No they won't. This is absurd.