[outofstyle]

could you pleeze 'splain to mee how this could have been expected by anybody, like maybe the killers, to look like an accidental electrocution?

The point! They wanted everyone to know that enemies of Israel are at risk. This is a good thing.

[GovernmentShrinker]

Trouble is, this guy had plenty of Arab enemies too. If the purpose was to send a message that enemies of Israel are at risk, Mossad would have chosen a target who was first and foremost an enemy of Israel, and either liked or ignored by every other party which could conceivably have done something like this.