vertalop would appear to be in need of a CRM course (assuming, however, that CRM courses did any good in the first place) !
If he thought that there was a piloting error, then why did he not raise this with the cabin crew, who would have relayed it to the flight deck ?
Echoes of "I thought he knew which engine it was - duhh !"
In general, if you're a passenger and something does'nt seem to be as it should, then tell a member of the Cabin Crew (the one in overall charge is probably best). IMHO 