Whether you are being influenced the negative or positive way, most likely the outcome will still be not profitable at all. Trading should not be in a way of getting influenced, but it’s more likely of gaining personal interest because you certainly know how trading works and you have the potentials to trade. And not because you should be trading because others are making successful trades and are earning massively on it.
Well, influence may result in a negative or in a positive way, but it’s not the fault of the influencer alone, but it’s how the trader perceive it that makes it more bad and ruin his own trading career.
Simply put, there’s no wrong from getting influenced if you know how to maximize the opportunity aligned with it. You don’t have to trade following all his fundamental and technical analysis, but you create your own and let his analysis be your guide.