Existem muitas razões, como mostrado em este artigo sobre o Looper :
- He's too much of a risk
- He's not as much of a box office draw as he used to be
- He stopped promoting Kick-Ass 2
- His method acting got crazy during Man on the Moon
- There may be issues getting him insured
- He's been dealing with some personal issues
- He's gone public with some pretty controversial beliefs
- Jim Carrey no longer exists
- He won't take a role unless it 'chooses' him
- He hasn't been nominated for any major awards recently
- And he's happy that way
- He's busy mentoring the next generation of actors
- He's been working behind the camera
- He's been focused on making art for the past several years
Cada uma dessas razões é discutida em detalhes no artigo de origem.
O mais provável é que seja uma combinação de vários desses fatores, o que significa que, no final, ele é demais para um estúdio se preocupar com ele.