Would it be overstepping to tell my son's spouse to not bring anymore gifts to my house

Hi all. I made a post last week that was kind of an update to my son's life. A few years ago I made a post wondering if he was gay because he and his best friend Ethan were super close. They called each other their husbands in the 8th grade. They were showering together when they were 18. They had actually had a relationship. And they got married young. They separated back in August. My son moved in and told me about Ethan's Drug addiction. He got addicted to the opiates be was prescribed and had been struggling with addiction for over a year. He has no family because they disowned him. My son tried to stick it out but officially left after Ethan got mad at my son for throwing out his pills and kicked the door door then kicked him into a dresser. It was the first time he ever got violent and he's become someone we don't recognize.

So my son left after that which I'm proud of. He's been stressing so much and I think that's what has caused his hair to start falling out. Ok Valentine's Day Ethan left flowers and a teddy on our doorstep with note and all it did was completely ruin his Valentine's Day more than it already had been and he hasn't left his room all weekend. He's more depressed. Would it be overstepping to ask Ethan to not do that again? It's not the first time he's left something on our door and he's tried to apologize for what happened in August but he has not gotten sober. I've only spoken to Ethan twice since they have separated and I love him like a son but he's not well.