This scene shows the harsh reality of life.
In Spider-Man 2 (2004) Peter keeps failing, and when he gives up being Spider-Man, things finally start to get better. Convinced he can be Spider-Man again, he immediately falls.
Even when life improves, it can always remind you that nothing is ever guaranteed.
Stay alive just in case you get lucky
Many good outcomes (meeting the right person, finding the right idea, being in the right place at the right time) aren’t predictable or engineer-able.
they just rely on randomness.