The keelback itself is a great ship. A lot of people just don't think of it as anything other than a cheap SLF transporter... pity...
IMO, it and ships of its class are perfect if you are getting bored with the game. If fitted right, it can do most things... just not well enough that you can do it without having to really think about what you're up to. Even the simplest tasks require hard choices on what to fit and what not to. In ships like the Krait or Python, or
definitely ships like the Conda or Corvette, you can pretty much fit 1 ship to do everything all the time and just change up tasks by simply doing them. Even moreso if you have specialized ships for each task; just swap to the right ship and off ya go. It's very efficient and effective, but can also get boring once you've gotten those ships set up.
But in the Keelback? No, you'd need a totally different module outfitting for everything, because otherwise you'd just do all of it poorly, if at all. I actually have to think about each mission or task a bit and how I could do it in my ship. I have more versatility than the folks who have tried to do it all in a Cobra mk III or even a sidewinder, so I'm not completely locked out of gameplay styles because of the ship, but there's definitely more to think about than folks who moved on to the Asp X and beyond.
And despite how it sounds, those limitations are basically what keep me playing.