He could be right because that's what he thinks about the market. Everyone is free to say what they think about how Bitcoin will do next.
Before an altcoin season, Bitcoin is the first one to pump and that's the reason why many altcoin holders are hopeful when they've seen Bitcoin rally.
But here is a reminder, whether right or wrong, don't believe quickly what you see from these content creators and don't make them involved in your decision making.