Retired teacher of English and self-styled pedant extraordinaire!
As for 'looking out the window' and similar constructions, these are not just American usage. I grew up in Scotland using them and no teacher ever corrected us.
We all have our linguistic bugbears and this is a fine place to let them off (not 'off of') the leash!
Mother put on child abuse register for letting her 5 year old go for a walk!






