[MMM]

It's only ridiculous if you are unable to put the philosophy aside and look at what they are doing.

Both are non-state actors moved by an ideology fighting against the actions of a governments whose actions they despise.

I would put it like this: Both are rogue agents moved by an ideology but act using violence and terrorism against those that are not the instigators of the ideology they are fighting against. Both use violence and terrorism to change people's thinking, and history has shown that technique only begets more violence.