I've been offering my DC forever.
Oldest is only 9 but so far she's never once taken me up on the offer. I have a glass of red wine maybe twice a month and then in summer that switches to a G&T so to be fair stuff that smells gross to kids.
As a primary school age child my parents always offered me sips of any drink they had/tastes of any food they had so I've always done the same.
From about 13/14 if we were out for Sunday lunch/dinner I'd be allowed a Malibu and Coke or an Archers and lemonade (my grandad would always buy me them, I don't know now what the legalities of that was in the 90s but it was a family meal out situation) and my parents would let me have one Bacardi breezer at home if we were having a party of something.
As a tween/teen I was never the kid who snuck alcohol or had to be rescued because I was off my face drunk. In the experience ms I had those were the kids whose parents literally locked their booze away and refused to let them try it.
I drink very little now compared to most, normally offer to be the driver.
So in my eyes that method worked well for me so I'm doing the same for my DC. Alcohol is something that you need to learn how to handle if you're going to have it. And I think allowing a safe space to do so, and healthy habits and not making it mysterious makes for a healthier relationship.
On the flip side many of my family members were absolutely weight/fat obsessed and what I was able to eat was policed/judged and I spent many years overweight/binge eating and still struggle emotionally with food.