Meikleour,
Your two examples do nothing to help your argument, the first guy grabbed the WRONG switch while the second pulled instead of pushed.

I do not advocate a "deathgrip" on the thrust levers, merely that if your hand is on them you can push up to TOGA with little effort.

Better that than flailing around looking for them.

From my experience in the A330 sim pushing TOGA after takeoff has never been a problem, unlike NOT pushing it, which has!

As I stated earlier, that is our company SOPs, so that is what we do.