i've had the chance of trying various types of controllers over the years, this one is my favourite of them all, there are of course controllers that i would consider more ergonomical in a variety of situations:
Sega Saturn pads are pretty much unbeaten in terms of fighting games and 2d games that require complex motion inputs in general, i still firmly refuse to play any street fighter game on a pad instead on an arcade stick UNLESS it's a SS controller, the Dpad is THAT good, BUT the DS3 along with the DS2 proved serviceable in 4 button fighters, like Tekken or any ARC SYS game, Xbox controllers and post Gamecube nintendo controllers all were just not up to scratch, X360 being the most problematic of the bunch, the Dpad on that is absolutely useless.
Later DS4, and Xbox controllers did prove themselves better in Shooters and Racing games, the convex L2 and R2 triggers are the biggest flaw i can see in the overall design and it's no wonder many devs at the time opted to swap with L1 and R1 in shooters and the right analog stick, or the pressure sensitive buttons for racers, definetly playable but obviously not ideal. still nowhere nearly as bad as the Wii's classic "dogbone" controller, that thing is wrong in so many ways i struggle to think HOW Nintendo messed that one up so badly (no central Dpad pivot,absurdly long travel face buttons, godawful squishy bumpers, uncomfortable analog sticks...)
and yet despite all these flaws it is still my daily driver, unlike Xbox 360 pads it doesn't require a separate dongle, unlike most modern pads it's built like a tank and will take plenty of abuse and still run perfect, while it was produced in around the mid 2000s it's design is a direct continuation of one that was concieved when enshittification and planned obsolesence were nowhere nearly as present and companies still built things to last, that goes for everything really, not just consoles and controllers.
The buttons and bumpers still feel the same as when they came out of the factory, the analog sticks NEVER drift. that's something that unfortunately can't be said about a lot of modern controllers, i've had both X360 and X Series pads that developed all kinds of issues, Drifting sticks on X Series, jittering and rubber wearing out on x360, Dead bumpers on both X Series and 360, and it's a similar story with DS4, stick drift, dead face buttons, dead touchpad, one of mine i got used with a ps4 refuses to turn on straight up.
Dualshock 3 ? only real problem with reliability i had was the rubber contact pad wearing out with use and giving ghost inputs, but here's the thing, it was a 30 min fix, the hardest part was disassembling and re-assembling the controller which is admittedly a pain, but the rubber contact pad was fixed by using a couple strips of cardboard cigarette filters cut down to fit into the small alcove where the rubber pad sits. Worked flawlessly for years after that and still going strong,
Again i have plenty of controllers that i can use on my PC and i still find myself going back to the DS3 time and time again, it's light and compact, the battery lasts a long time, it's built like a tank and it gets the job done, perfect for a lot of genres, serviceable for all of them in a pinch, there's very few games built with standard game console controllers in mind where i would consider this one an outright bad choice it's also obviously the best choice if you plan to play any Retro Ps1/Ps2 games on an emulator.