Is not really proof though, you could've have just equally decided of your own free will to respond to (in your opinion) a pointless thread.
Saying that because two people responded to a 'pointless thread' is proof of a lack of free will is not really proper evidence, any more than saying two people took a wrong turning in their car is proof of determinism.
Saying that because two people responded to a 'pointless thread' is proof of a lack of free will is not really proper evidence, any more than saying two people took a wrong turning in their car is proof of determinism.