"If I hadn't done this I might have ended up digging the roads"

This quote by Dylan Moran suggests that the speaker has actually decided that has led them far from a possible future of manual work. The speaker is suggesting that if they had actually not made this choice, they would have been stuck in a task that is physically requiring and not especially satisfying. The speaker is revealing gratitude for the choice they have made, as it has enabled them to prevent a life of hard labor. The quote also suggests that the speaker knows the opportunity they have to make choices that can lead to a better life. The speaker is likewise suggesting that they understand the battles of those who are not as lucky and are stuck in jobs that are not as preferable. The quote is a pointer to be thankful for the opportunities we have and to acknowledge the struggles of those who do not have the same opportunities.