I think Lando taking the fastest lap was just McLaren acknowledging they can't keep up with the RB and focusing on getting as many points as possible. I doubt they're even close to competing with RB as I doubt Max was driving at 100%. Max was putting in the minimal effort necessary to win. When it came close to Lando overtaking Max he just pushed the car and created a more than a second cap in less than a lap and quickly pushed it outside the 2 second split. There's so much more Max could push out of the RB, he simply doesn't because he doesn't need to.

I would love someone giving Max competition but I doubt anyone will for the rest of the season. Maybe next year.