Seb,
The handles direction is not necessarily messed up. There is a few systems of these handles and one of them includes asymmetrical handles, so it is not a mistake. One minor issue however is that all asymmetrical handles I saw had the upper handles pointing to the right and the lower ones to the left, while the Italeri parts are a mirror of that configuration. But as I wrote, there is several configurations, so I cannot tell if the one in the kit is wrong, or just rare.

Several systems visible in this stack:
