“So you have to ask yourself why are they bringing this lawsuit now?”
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They likely got sick and tired of harassment and threats from those he provoked with his claims - see the real life repercussions links in my previous comments by way of examples.
First you are speculating.
Even if that is case Alex can only be held liable if he encourages people to go out and do this. Alex, never did that. He walked it back over 4 years ago which means he is outside statutory linmits too.
There is no case. Ithe lawsuit is only there to smear his name which is why he will countersuit and will not settle.