Ordinals inscriptions are not a threat to Bitcoin, so in some sense it is better to ignore them, and let the muddy water clear itself over time.

However, it is unethical to sell 1 satoshi for more than 1 satoshi. 

 Why is it unethical? 

"The true value of something is just the price someone is willing to pay for it"

Who are you to tell someone is unethical to sell an apple for $5? 

 Muted, scammer