Well said.
Gum may be even less effective in signaling and food procurement than a firearm wink. However it might be better for "social work" and fresh breath.
OTOH a package of Hubba Bubba doesnīt weigh enough to be real burden. So why not bring it (unless you live in a country where itīs illegal)?
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If it isnīt broken, it doesnīt have enough features yet.