AIO at my boyfriend's drinking while on vacation?

I've been with him for a few years now, and we've been living together for the last ~6 months. We're both in our late 20s. He works a stressful job in healthcare in a senior leadership role. He gets more vacation than me and will take two 1-week "staycations" where he just stays at home to recharge. This was his first staycation after we moved in together, and he just spends all of his time off golfing, ordering in fat food, playing video games, and drinking alcohol.

To be transparent, he is still productive. So far through the week he has already deep-cleaned the house top-to-bottom, done the grocery shopping, cooked most meals, washed + folded several loads of laundry, and completed a lot of yardwork (including weeding the garden). So it's not like he's just sitting around doing *nothing.* But after he gets home from his errands / chores / golf, he spends the majority of the day drinking.

I've never seen him drunk, he mostly just sips on whiskey, but he drank a bottle of whiskey over 2 days. Today, he bought and drank a 6 pack of beer. When I confronted him, he said he's not harming anyone, he's just relaxing on his staycation, and it's no different than what people would drink if they were on vacation at a resort / on a cruise.

AIO?