Originally Posted by rodeolifant
Yes, and that's what the take-10 rule is for.
Which is a house rule in 5e. So you're saying that any potential issues arising from one house rule can be addressed by adding another house rule.

Also, if you do use 3e's take 10 (and potentially take 20), you are saying "Yes, there are times when there should be no roll." Despite saying earlier that 100% chances are boring.