I see a lot of people offering their art help for free on itch.io and some reasons are totally valid such as:

- Game Jams

- Learning Game Dev

- Showing you work well in a team

- You want to add something valuable to your portfolio

But I'm also generally against free art most of the time for a couple different reasons, usually for longer projects, so here they are:

- First reason is that it's a risky time investment. You could be spending your time drawing/animating literally anything you want for your portfolio WITHOUT the need of an idea guy giving you ideas to draw. You can find inspiration anywhere for yourself.

- Second reason, you become known as another "free artist". Most people love this. Someone who never complains and just does the work. It endlessly becomes expected until you put your foot down.

- Third reason, you may be thinking "They say I could get paid rev-share if we make the game!" Well there's no guarantee even they themselves won't burnout before completing making the game.

That's all!