For those who aren't portuguese speaking fellows, he's basically one of if not the biggest Linux-related youtuber from Brazil, with lots of noob friendly content.
The tl;dw is him debunking the myth of the GAMING™ oriented distros and giving the distro a fair review, but with some criticism that bugged the hell out of me, mainly talking about how you can do everything Garuda does in other distros and how he'd rather use Manjaro since it's a project developed for longer.
He also benchmarked a lower end laptop (in a worst case scenario) against Manjaro KDE and Pop_OS! both in Geekbench and in a gaming benchmark, where Garuda just slightly lost against both of them, having a lot of stutter in the gaming benchmark.