Back in 2001, I felt just as strongly and took it upon myself to write to Rare to tell them just how awesome I thought their game was. I wasn't expecting any form of reply - I just wanted to let them know how appreciative I was to them for all of their efforts in creating one of the best games of all time.
If I remember rightly, the 19 year old me wrote the letter by hand on lined paper as I didn't even have a computer back then! Somebody at Rare must have been a little touched though, as a few weeks later I received a reply in the post!
And here it is: