172 driver, you can use your vibrator in my airspace anytime, there are several of the local carriers that will do anything to avoid it, but that is another thread!
On your LAM3A STAR, there are two level restrictions written to be expected. I'm sure that at least 50% of the traffic on this STAR will be vectored at some point, normally before the first restriction. Would you expect to be given both expect levels as soon as the vector is issued? The second controller who's responsibility it is to achieve the 2nd restriction will have no idea what the first controller has said, other than clearing you to be level at the first standing agreement point. Should you have been vectored by the first controller and then put back onto the STAR routing, the second controller would also not know this, but they will be expecting you to achieve their standing agreement when they so clear you. Will they be right to be expecting this or not?
The book specifies the SID issues as points 7.2 and 7.3, if it applied to all other scenarios then why make an exception and just publish as they have?