> Some people oppose the redefinition of the word "marriage" to include unions other than a man and a woman (your original post)

and

> It doesn’t matter what you call marriage (Stephen Fry)

If you agree with him then perhaps you could choose your words more carefully next time - Stephen's position is one of indifference, not opposition.

On the other hand, if you still feel 'oppose' is the right word then he doesn't support you, he's just disinclined to argue with you ;-)