But laptops are still allowed to be checked and stored in the hull. If the bombs are undetectable then doesn't the problem remain?
In this case, I suppose it’d be easier for the terrorist to have a manually-triggered bomb on their lap, vs having to also rig a GPS or time-delay bomb for the cargo hold. Obviously still do-able, but one step harder.
To be clear, I’m not all that impressed by the ban or it’s effectiveness.
With the axe, it's a known quantity, unconcealable, large and conspicuous, but personal possessions are variable, and the only way to normalize them is to remove them from the equation.