L-theanine has mind altering effects. I see no reason to not include it in the same category. And that you do, really makes.me wonder why you have arbitrary lines in the sand on things. And your response is absolutely a different take than your initial one. Plus it's not even technically the same topic, which was addiction.
You very much weren't arguing "just use weed in moderation" with your "at the end of the day it's a drug" bit.