system
Given the following post, respond as if you're commenting on Reddit:
human
[Star Trek] Why is Starfleet seemingly uninterested in developing ways to fight Q and other cosmic entities?

The various ships on the shows have had numerous encounters with these things, yet there doesn't seem to be a single mention of anyone trying to study them or come up with a way to beat them. Shouldn't it be one of Starfleet's top priorities to figure out how to stop entities that can blink planets out of existence? Since you've got these things running around the universe, Starfleet should probably have a way to defend themselves

EDIT: We know that you can build weapons to kill them thanks to Voyager, so Starfleet's unwillingness to even try seems a little weird. Why isn't Section 31 at least looking into it?
gpt
When they were discovered, the Borg were more or less the most existential threat the Federation had ever faced. Figuring out a way to handle them became a top Starfleet priority ... but one that was handed by Not The Enterprise Crew.

There are certainly branches of Starfleet dedicated to figuring out who, what, and how the Q are, but that off-screen action is likely to be even less interesting than Borg-based research.

At least with the Borg, you have physical laws to fuck around with. The Borg tune their personal shields to the frequency of our phasers ... let's use frequency shifting to keep our weapons working! The Borg have a hive mind ... maybe we can plant a computer virus in one, and wipe out the whole! The Borg are all pale and clammy ... maybe they have a Vitamin D deficiency we can exploit!

The Q Task Force, on the other hand, is essentially going to be a bunch of atheist theologians sitting around arguing about how to kill God.

The Q appear to be somewhere around a Type III (or higher) civilization. A single Q can wipe out a planet with the snap of a finger (which they just conjured for themselves from the nothing), or travel back in time and prevent your tiny civilization from ever emerging from the primordial goo.

Realistically, the task force's TODO list would be one item long: figure out how to Sublime. Anything short of that, and you only risk antagonizing the Q with your efforts.