Yea, let's take as an argument single matches but not the overall result.
You defenitely don't know what fluke means. There is a difference when you win something and goes complete bullshit (literally placing last) and when you kinda dropping off, but not much. In NaVi's case they kept performing decent.
3rd at ELEAGUE CS:GO Premier 2018
5-8th DreamHack Masters Stockholm 2018
2nd at FACEIT Major 2018
5-6th ESL One: New York 2018
2nd at EPICENTER 2018
1st at BLAST Pro Series Copenhagen 2018
6 tournaments, 2 failed, 4 did good
This is not a fluke, dumbass.
Look at fucking North, this is a real fluke. Won a tournament and went garbage for the rest of the year while navi keep perfoming decent