Do you think this was disrespectful of the guy I’m dating to do?

I’ve been seeing this guy for 11 months. I mean I should start questioning myself on why it hasn’t gone any further than dating considering it’s been this long.
I’ve told him about my friends before and shown him pictures where’s he has done the same and I’ve met a few of his friends. The other night on Tuesday he went and followed one of my closest friends on Instagram and liked her picture from agies ago. Fortunately I’m logged into her Instagram as she gets me to upload things since her phone adds some weird effect to the photos. I confronted him and he said he didn’t remeber me showing him her and that it’s not disrespectful since he didn’t know that was my best friend.

he did in the end say to me I will unfollow her if you’d like me too. I said no since that makes me seem very controlling and I said it’s fine since you didn’t know. But is this not disrespectful? I know he said he didn’t remeber but I’ve shown him her thousands of times. I’d never go and try to get his best friends attention, he’d block me for that.
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I get it’s only instagram but it’s the fact I told him that’s my best friend agies ago and he did it anyway.
Do you think this was disrespectful of the guy I’m dating to do?
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