Possible drop discrepancy

So I submitted a ticket requesting for information on this and the GM's confirmed that all the Tech weapon materials are exclusive to Hard mode, and not Normal. So until this ever changes, there should be no reason to change it again and proves my point that there was never any mats that dropped in Normal once Advanced and Elite were switched to Hard.

Again, not sure why this particular person updated it to both difficulties and had no proof, but it's fixed and confirmed now.

Much appreciated, glad the GM gave clarification!