No, I'm not being cryptic. It's an amateur videographer's way of sayin he should've used better lighting.
It's unclear who wrote this old folk song, but I'm pretty sure it wasn't Eric Burden and The Animals. Wikipedia goes into more detail in their write-up. I was around 10 or 12-years old when I first heard it on the radio and it was one of the first songs I learnt.
That's Phillip singin, I'm playin acoustic guitar.