To your last point: no worries, it's discussion and we're all brainstorming! I'm just trying to give counterarguments to help think through all aspects of an idea. I don't know the answers.
Back to topic: I think it's possible that a change to the down vote button could work, since our ideology behind the action is different. But for an up vote, a symbol change will end up confusing users (old and new), and leave a bad impression on the usability of the site, in my opinion.
To your last point: no worries, it's discussion and we're all brainstorming! I'm just trying to give counterarguments to help think through all aspects of an idea. I don't know the answers.
Back to topic: I think it's possible that a change to the down vote button could work, since our ideology behind the action is different. But for an up vote, a symbol change will end up confusing users (old and new), and leave a bad impression on the usability of the site, in my opinion.