From the photo in the article
From the photo in the article , it looks like there have been advances in reducing the electric heat dissipation of LEDs, The swap-it-for-ordinary-halogen LED kits that were common even six months ago often came with large multiple fin heat sinks or even fans on the back of the lamp assembly. In a lot of cars there isn’t a whole lot of free space right behind then headlamp assembly. It is wise to know what you’re buying and not to opt for whatever is least expensive, though price is not always tied to quality on sketchy import parts.
Depending on how anal retentive vehicle inspections are where you live, you could run into issues with a no-name import LEDs that break the DOT certification of your headlamps. Be wary of parts marked for off road use only.
Finally, just because you can put insanely bright lights in your car, doesn’t necessarily it is a fantastic idea. I can’t count the number of times I’ve been stuck at a red traffic signal in my Honda Insight with a Jeep driver behind me with super bright LED headlamps and fog lights switched on to boot, lighting up the inside of my car like an operating theater.