Yep, fair comment. However, there are other places where that happens too.
At the Marriott in Warsaw for example, I got a bit pissed off with knocks on my door at 3 or 4 in the morning .... earlier not too much of a problem .... and knowing that at the time it's the desperate dogs of the pre-dawn hours, not some lithe size 10 Eastern European chick with shear thong and perky pointers it annoyed me.
Checking out after a week I mentioned it to the Duty Manager who feigned surprise and said he would talk to the night staff ........ and then offered me a free upgrade to suite on my return the following week. I asked him why he though that would help and he said :
"Probably only they ask more money as you are in more expensive room ......."