Maybe they aren't investing for pure money returns. There are investments in health, lifestyle, time, etc etc. Some people see the value proposition in a brand new bike, whilst others don't. Neither are the right or wrong decision it's all up to personal circumstancesTotally different.
I don't understand the mindset of people who go out and "invest" 10k in a bicycle that is on special for 8k and tell their mates how much they saved.
2 years later they go and sell their "investment " for 6k. Now that's a true loss.
Same person could of bought a 2nd hand bike for 3k, invested in crypto with the other 5k, 2 years later they have a perfectly serviceable bike that still sells for close to purchase price and another 10k of free money on top of their initial 5k.
Just think 10k for free, you be the judge.