While halving does seem to get a lot of attention each time, I think the attention is usually positive. Namely, a lot of people believe that halving is correlates strongly with the bull market. The reasoning here is that mining becomes more difficult, so fewer new bitcoins are mined, and so scarcity of Bitcoin becomes prominent, leading to the increase of price. Alternatively, there's reasoning that mining must stay profitable, and as fewer coins are being mined, the price is bound to go up. Both are faulty, of course, but it doesn't mean they aren't influential.