Do you judge all 4WD vehicles based on their stock capability? As Dan Grec has shown, the Gladiator holds up just fine.
The Gladiator is a good 4x4, but (compared to other ROW offerings) an average at best truck. You'll need to lift and increase tire straight away to make up for the abysmal breakover angle, and doing so further worsens its truck capabilities. Also, the powerplant is terrible for non Americans. We're used to punchy little turbo diesels that can pull 3.5ton at sub 3k rpm, not a thirsty v6 petrol that screams its ass off to pull a trailer up a hill.
Jeep say the 3.0 Ecodiesel wont fit in RHD configuration, yet they can squeeze a 392 in a left hooker no worries? Shorthand for "we wont sell enough to warrant the RnD"
Had my heart set on the gladiator a few years back, as the logical workhorse replacement for my Wrangler, but it never made it to UK shores. Looking back now, I think id have been disappointed in it. A JL Rubicon 2.0 here in the UK lists for £61k now, so a gladiator wouldn't have been sub 70k, especially in diesel form.
I think the Gladiator is at home for the US consumer, who wants to go adventuring on the weekend, maybe some camping etc, but also wants to tow a UTV trailer once in a blue moon. No surprise its flopped in Australia, as it no doubt would have here