Cheats or Exploit on ladder to get techs multiple times

It seems that either the multiple tech bug/exploit is back in some way or someone is just cheating via external means.

The following pictures show a ranked 4v4 that happened not long ago and one payer (P8 Genki) is able to get WheelBarrow, Bloodlines, Forging, Siege Engineers and Double Crossbow multiple times.

Ballista.aoe2record (4.2 MB)

This Genki guy goes brrr