I don't think it would be a good idea for a default.

Reasoning: newbies. They'll have no idea they failed throws and will be unable to tell how hard checks generally are. This flows into follow up issues, such as lack of familiarity with tools to improve outcome (buffs), which attributes help with which checks, etc.

However, I'm not the first person to find the unskipable dice animation annoying. A lot of people would surely like this feature just to skip it!