Answer: Special elections are special
I'm always skeptical of reading too much into the results of special elections. I mean, just remember Democrats' blockbuster night in August of 2022 in New York, when they won one competitive special and narrowly flipped another solid Republican seat. Those results didn't translate into Empire State success that fall. But I do think it tells us something about Long Island, namely, that Democrats can still win there. That wasn't a given; the party has lost pretty much every competitive election there for the past three years, with candidates who have tried both tacking to the left and right. Now that we know Democrats can still win over voters there, the two other potential pickup opportunities on Long Island (the Suffolk-based 1st District and Hempstead-based 4th District) become that much more believable. And with just 4 seats separating Democrats from the majority, that's a big deal.
—Jacob Rubashkin, Inside Elections