Honestly I think the issue with tr is pretty straightforward, you simply don't have enough turns. If there was a tr extender item, completely different situation, but with that lacking well it's really hard to win with it. For starters, because of the lack of turns, ur lead almost always has to be suicide, otherwise by the time it dies, ur gonna have like 1 turn left. In fact, all tr setters on ur team are gonna have to be suicide or slow pivot, or a self setting tr sweeper which is hard to find in aaa. Furthermore, setup sweepers almost never work, because by he time you get into ur setup mon, and actually setup, well u have like 1-2 turns left which is nothing, and once it's over ur normally screwed. The only setup that might work is something like PH snorlax in tr which boosts defenses as well attack, so even once tr is over, you are still a massive threat, but tr seems wasted on something like that especially as you most likely are wasting a mon just to set tr, and literally any unaware mon will hardwall it. So with setup pretty much a no, all tr teams must resorted to pure instant power, which is apparent with the example team having stuff like adapt awak, download mawile, and adapt bisharp, some of the scariest offensive threats on a purely immediate power basis. And while this is not necessarily a bad thing, it again boils down to the lack of turns. Under tr mons like adapt sharp and awak are terrifying, but without tr they get blown away by most offense. Finally, tr is really really obvious to spot at team preview, meaning that you don't even have much surprise element. I'm not saying tr is impossible, I just think that most solid teams will deal with even the best tr team with a good deal of ease, and I will be very impressed and surprised if someone actually makes a tr team that's on par with some of the other better samples. I wouldn't put it past someone like laxpras or jrdn, but I've played lax a fair bit and the only matchup I've never lost has been tr, all the others he usually wins.