I (kind of) agree with your point here but to develop your point teams have adapted to how previous T1 teams have been studied meticulously and now the teams that were previously below them now have seen the weaknesses of their playstyle and they are now better. However, we don't know how V1 will be because of NA LCQ delays but I'm not feeling optimistic about them even though they have the new addition oderus. Also I feel like the reason they were there is because of the meta and they won many many rounds off postplant. FNATIC though is a great example but I hope that they can turn things around in time for Champions.
Sorry for writing a thesis btw