The strength gains directly translate into mechanical advantages in other situations.
> Any outdoorsy activity is vastly superior to it due to exposure to fresh air and sunlight.
Citation needed.
> It also tends to be less boring and monotonous than lifting heavy things for some inexplicable reason.
You're approaching this with the wrong mindset. Its the minimum viable test case for improvement. Many less variables than 'outside in fresh air and sunlight'. I also think you'll find that many people do lift outside, maybe you're stereotyping based on planet fitnessesque gyms that you've frequented.
> Any outdoorsy activity is vastly superior to it due to exposure to fresh air and sunlight.
Citation needed.
> It also tends to be less boring and monotonous than lifting heavy things for some inexplicable reason.
You're approaching this with the wrong mindset. Its the minimum viable test case for improvement. Many less variables than 'outside in fresh air and sunlight'. I also think you'll find that many people do lift outside, maybe you're stereotyping based on planet fitnessesque gyms that you've frequented.