It's both ways.
A lot of times you play support with mad support skills that kept all allies fed and stomping as well as do that game-winning team CC and plays, and end the game with no honour.
Or,
Other times you literally carry and lift the entire team like old man Atlas, like literally the entire game you'd lifted, but then in the post-game lobby you realise you've received like 1 honour or even none.
...................
There are a lot of factors playing into this though. So it's not like we can just generalise. But it definitely can be annoying to some extent.