Sending ETH to other doesn't always mean they are alt. They can also be friend, or from same community or even they can exchange gas fee. It's better to accuse someone as alt only once you get they used same ETH address, or same social media etc.
I agree I have a friend who is very active in bounty and I trade my eth to his fiat since we are of the same country. does that make me his alt, I don't think so we have so many people doing this and it should not be based on this, it's unfair.