Manip, MVP's tend to be highly intelligent, both technically and socially, and have a good memory. Such remarks are not really credit points.
The only thing MVP's fear is to lose the MVP status. Each year the MVP-ship is re-evaluated. If you haven't contributed then you're likely to lose it. But once an MVP always an MVP, as you are still in the picture and people still value your opinion, even if you have not got the MVP status to back it.
Also time is spare, so choosing wether to write an answer or looking it up and copying and pasting it isn't a hard decision to make, as some questions are asked over and over without using the search functionality to look if it has been asked before ...